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Photomatix FAQ

Licensing and download

 

Do I need to buy a second license if I install Photomatix on another computer?

One Photomatix Pro license entitles you to install and register Photomatix Pro on other computers you use. The same applies to Photomatix Pro Plus Bundle, Photomatix Essentials and the plugins for Aperture and Photoshop.

However, your Photomatix license is limited to one user. You will need to buy an additional license if you wish to install and register the software for another user (unless the other user is your spouse or close family member, as we make an exception in such cases).

Your license also entitles you to install and register the software on both Windows and Mac computers. If you bought a license for Photomatix Pro for Windows, for instance, you may install the Windows and Mac versions of Photomatix Pro, and register both with the same license key. See the FAQ on cross-platform licensing for more details on this.

If you are on Windows, you can of course install and register any of the two editions (32-bit and 64-bit) on your other computer, regardless of whether you installed the 32-bit or 64-bit edition on the first computer. A license is valid for any edition (32- or 64-bit) and platform version (Windows or Mac) of the software.

I haven't yet received my serial code, when will I get it?

Our reseller BlueSnap emails your license information immediately after your payment has been processed. If you didn't receive this email, it may be due to a delay on the reseller's server or because the email was caught in spam filters.

You can request your license key via our automated resending of license key or by contacting the Photomatix Support Team.

I upgraded to Photomatix Pro 5. Do I need a new license key?

Yes if you purchased a license when Photomatix Pro was at version 3.2 or older. Please see the upgrade information form.

I lost my license key. Can you send it to me again?

If you purchased the license via the HDRsoft.com website, you can use the license key resending form to have your license key automatically resent to you. Alternatively, you can contact the Photomatix Support Team.

My photo computer is not connected to the Internet. How do I install your software on it?

Your computer doesn't need to be online to install Photomatix, as long as you have another computer with an Internet connection where you can download the software. You would then copy the downloaded file on a flash drive, USB key or other type of removable drive and transfer it to the computer without Internet access.

Here are instructions on how to do this depending on your platform:

On Windows:

  • Go to the download page of Photomatix Pro or Photomatix Essentials depending on the software you want to install on your offline computer.
  • Click on the "Download Photomatix Pro" or "Download Photomatix Essentials" link in blue.
  • When prompted, choose Save (Internet Explorer) or Save File (Firefox).
  • On the Save As dialog box, navigate to the location you would like to save the file and choose "Save".  If the removable drive (e.g. flash drive, USB key, etc.) is already inserted in your online computer, save the file to it directly. Otherwise, save the file to computer's hard drive and copy it to the removable drive.
  • Use the removable drive to transfer the downloaded file to your offline computer.
    The name of the file depends on the software, its version and the edition. For instance, if you have downloaded the 64-bit edition of Photomatix Pro 5.0, the name of the file will be: PhotomatixPro50x64.exe.
  • Double-click on the transferred file to install Photomatix on your offline computer.

On Mac:

  • Go to the download page of Photomatix Pro or Photomatix Essentials depending on the software you want to install on your offline computer.
  • Click on the "Download Photomatix Pro" or "Download Photomatix Essentials" link in blue.
  • Copy the downloaded zip file to the removable drive (e.g. flash drive, USB key, etc.).
  • Use the removable drive to transfer the file to your offline computer.

Can I switch my Windows license to Mac? (or vice-versa)

Yes. In fact, you do not need to switch your license, as one Photomatix license allows you to install the software on another computer, regardless of its platform as explained above.

The license key you received after purchase registers both the Windows and Mac versions of the software, except in two cases: If you purchased a Photomatix Pro license before April 2007, or a license of the Tone Mapping Plugin for Photoshop sold separately (i.e. outside of the bundled product). In these two cases, you will need to contact us to request the license key for the other platform.

When ordering online, you will see two separate purchase buttons depending on whether the license is for the Windows or Mac version of the software, even though the license is valid for both. This is done to let us track sales per platform, but doesn't have an incidence on the validity of your license for both Windows and Mac.

How do I upgrade to the latest version?

You can upgrade to the latest version by downloading it from the download page and installing it on your computer. If you are on Windows, it is better to uninstall your current version of Photomatix before installing the new one.

If you want to be notified when new major versions are released, you are welcome to subscribe to our announcements.

The upgrade to Photomatix Pro version 5 is free of charge for customers who purchased a license of Photomatix Pro version 4.0 or higher. If you need a new license key, please see the upgrade information page.

What is your upgrade policy?

If you purchase a Photomatix Pro license from the HDRsoft.com website or legitimate resellers, you are guaranteed at least two years of free upgrades. In reality, you are likely to get free upgrades for more than two years.

The upgrade to Photomatix Pro version 5 is free of charge for customers who purchased a license of Photomatix Pro when it was at version 4.0 or higher through the HDRsoft.com website or legitimate resellers (Photomatix Pro 4.0 was released on October 2010).

If you purchase a Photomatix Essentials license, all upgrades are free of charge.

If you purchase a license of the Photomatix Plug-In for Aperture or Tone Mapping Plug-In for Photoshop, you are guaranteed at least two years of free upgrades, but it is possible you will get all upgrades for free. We haven't charged for upgrades to new versions of these plugins yet, and don't have plans to at the moment.

To upgrade to the latest version, please see the above question.

I purchased Photomatix Essentials. Is there an upgrade price to Photomatix Pro?

Yes. You can purchase a license of Photomatix Pro for the US$60 cost difference. Please use the automated Upgrade to Photomatix Pro form to access the upgrade pricing.

How do I transfer Photomatix to a new computer?

Please download the software from our website to transfer Photomatix to your new computer. To do this, go to the download page, and install the downloaded software on your new computer.

If your new computer is not connected to the Internet, see the above instructions to install on an offline computer.

I have a new computer. How can I download Photomatix again?

You can find the latest versions of our software on the download page.

If you need to download older versions, you will find these listed at bottom of the download page of the product you wish to download. If your reason for downloading the older version is because you cannot find a feature anymore, please contact the Photomatix Support Team for help with finding the feature in the new version.

Is there a way to get the watermark off a photograph processed before buying the license?

If you have a license for Photomatix Pro, it is possible to remove the 'Photomatix' watermark from photographs processed when the software was still in trial mode, but only if the resulting image was not post-processed or double tone mapped.

Here are instructions for removing the watermarks:

  • Click on the 'Automate' menu and select "Batch Single Files"
  • Make sure that neither of the "Tone map" options is checked
  • Check the "Remove watermark" option (this becomes enabled after registration)
  • Browse to the folder where the watermarked images are located, and make sure the images in this folder do have the watermark added to them.
  • Click on the "Run" button

If you have a license for Photomatix Essential or the Aperture plugin, you can use the trial of Photomatix Pro to remove the watermark as detailed above.

If you have a license of the Merge to 32-bit HDR plugin, it is not possible to remove the watermark. So, you will have to merge the photos again with a different name for the merged file, and then copy the settings from the version with the watermark to the version without it.

Important note: The removal of the watermark requires that the image was not retouched after the watermark was added to it. If you altered the image - by changing the brightness or contrast, cropping, resizing, etc. - then Photomatix will not be able to remove the watermark anymore.

I uninstalled the previous version before installing the upgrade, and was not asked to enter my license key again. Is this normal?

Yes. Uninstalling Photomatix Pro only removes the components of the software, not your licensing information. The Windows version of Photomatix Pro stores this information in your registry (HKEY_CURRENT_USER) and the Max OS X version in your preferences (com.hdrsoft.photomatixpro.plist).

If you wish to unregister Photomatix Pro as well as remove its default settings, please proceed as follows depending on your computer platform:

On Mac:

  • If you are on Mac OS 10.7 or higher, choose "Go > Go To Folder" from the Finder menu, and enter
    ~/Library/Preferences in the box.
  • Locate the file com.hdrsoft.photomatixpro.plist and move it to the Trash.
  • If you are on Max OS 10.6 or earlier, go to ~/Library/Preferences (where '~' is your User directory).

On Windows:

  • Click on "Start" (normally located on the bottom left of your computer)
  • In the box at the bottom that says “Search programs and files”, type "regedit" (without the quotes), and then press ENTER
  • In the Registry Editor, locate and click on the directory:
    "HKEY_CURRENT_USER\Software\HDRsoft"
  • Open the 'PhotomatixPro' folder, then the '5.0' folder
  • Select 'Registration', and click "Delete" on the "Edit" menu
  • Click 'Yes' on the confirmation dialog

If you want to know where to find your current license information, open the 'Registration' folder and look at the data value for 'Key and, if applicable, 'User ID'. Note that for Photomatix Pro version 3 and earlier, you need to locate the following directory instead:

"HKEY_CURRENT_USER\Software\MultimediaPhoto\Photomatix"

Why is the CA$ (or AU$) price for your program more than the US$ price when the Canadian dollar is worth more than the US dollar?

Photomatix Pro is priced in US dollars. When you order a license from Canada, our reseller BlueSnap displays by default the price in Canadian dollars, using the exchange rate their bank charges to buy Canadian dollars on that day. And as you probably know, banks charge more than the official exchange rate, as they make money from currency conversion.

However, you can avoid having to use the exchange rate of our reseller. To do this, click on the 'Currency' pop-up menu on the top right of the order form, and change it to 'United States Dollars'. Note, though, that the conversion from US to Canadian dollars would then be done by your bank, and that the exchange rate of your bank might be less favorable.

Should I try Photomatix Pro or Essentials?

Photomatix Essentials is particularly easy to use and intended for photographers new to HDR. Photomatix Pro offers more options and includes advanced features such as batch processing and selective deghosting, as well as a Plugin for Adobe Lightroom.

Photomatix Essentials and Pro share the same internal HDR processing engines, but their interfaces differ. Photomatix Essentials focuses on simplicity, providing an easy-to-use introduction to HDR, while Photomatix Pro offers more options and features.

If you buy a license for Photomatix Essentials, you can upgrade to Photomatix Pro later on for just the price difference between the two products.

I bought Photomatix Essentials from the Mac App Store. When will you update it?

We were offering Photomatix Essentials on the Mac App Store under a Developer account with a different company address. After several discussions with Apple, it turned out that we had to open a new Developer account to get the address changed, which has the big disadvantage that we cannot use the same app ID to offer Photomatix Essentials on the Mac App Store under the new account.

Not using the same app ID means that Photomatix Essentials would appear as a new app on the Mac App Store, and customers who had bought it with the old ID would have needed to buy it again in order to get the latest version. As it has never been our intention to charge for upgrades of Photomatix Essentials, we decided that we would not offer it under the new account, which is why Photomatix Essentials is not available on the Mac App Store anymore.

In order to update your copy of Photomatix Essentials, you will therefore have to download the latest version and request a license key by taking a screenshot (Command+Shift+3) of your iTunes history showing Photomatix Essentials. Then email the screenshot to the Photomatix Support Team.

I see Photomatix offered for very cheap on eBay, Amazon or elsewhere. Is this legal?

No, it is definitely illegal.

You will almost certainly get a stolen license key if you purchase Photomatix on eBay. You will for sure get a stolen license key if you purchase a so-called "Open Box" of Photomatix Pro on Amazon when it is delivered without a box. You will also receive a stolen license key if you purchase on Craigslist or websites selling cheap software.

Please don't buy Photomatix from such sellers. Not only would you be rewarding thieves, but you wouldn't be able to get the free upgrades you would otherwise be entitled to.

Purchases made from sources other than our website or legitimate resellers are made at the buyer's risk and we assume no liability for those purchases.

If you already purchased from a fraudulent reseller on Amazon or another reputable place, we recommend that you report the fraud to Amazon and request a refund.

Compatibilities

Does Photomatix work with Photoshop Elements?

Photomatix Pro and Photomatix Essentials are standalone applications, and therefore don't need Photoshop or another application to run.

Images you create with Photomatix Pro or Photomatix Essentials are compatible with any image editing software. This means you can open and further process them in Photoshop Elements if you need to.

Is Photomatix Pro compatible with Lightroom 5?

Yes. The Lightroom Export Plug-in to Photomatix Pro works fine in Lightroom 5, and files exported from Lightroom 5 via the plugin are compatible with Photomatix Pro.

Is your software compatible with Photoshop CC?

Photomatix Pro is a standalone applications, and therefore runs independently from Photoshop. Images created with Photomatix Pro are compatible with Photoshop CC, as well as older versions of Photoshop.

The Tone Mapping plugin for Photoshop is compatible with Photoshop CC.

Does Photomatix work with Windows 8.1?

Yes. Photomatix Pro and Essentials work fine with Windows 8 and Windows 8.1 on desktop and laptop computers.

Note that you may have to install version 3.5 of the .NET Framework if this is not yet installed on your computer. See this Microsoft article for more information.

Is Photomatix compatible with Mac OS X 10.10 Yosemite?

Yes.

Does Photomatix work on a 64-bit OS?

Yes, Photomatix Pro and Photomatix Essentials work fine on the 64-bit edition of Windows Vista, 7 and 8, and on 64-bit Mac OSes.

How do I know whether my OS is 64-bit?

On Windows 8

  • From Windows 8 "Start menu" click on the Desktop icon (lower left by default) to switch to the desktop.
  • Hold the Windows key and hit the 'X' key at the same time, then select "System" from the menu that appears.
  • Under the 'System' section, view the "System type". If your OS is 64-bit, it will say "64-bit Operating System".

On Windows 7

  • Click on the "Start" button (the button with the Windows logo), then click on the 'Control Panel' menu option
  • In the 'Control Panel' window, click "System and Security" and then click "System"
  • Under the 'System' section, view the "System type". If your OS is 64-bit, it will say "64-bit Operating System".

On Windows Vista

  • Click on the "Start" button (the button with the Windows logo), then click on the 'Control Panel' menu option
  • In the 'Control Panel' window, click "System and Maintenance" and then click "System"
  • Under the 'System' section, view the "System type". If your OS is 64-bit, it will say "64-bit Operating System".

On Mac OS X:

  • Open your Terminal application (which you will find under "Applications/Utilities")
  • Copy/paste the following command:
    ioreg -l -p IODeviceTree | grep firmware-abi
  • Press the Enter key
  • If the result includes <"EFI64">, then your Mac is 64-bit enabled.

What are the system requirements?

On both platforms:

  • 2 GB of RAM minimum, but more is highly recommended
  • 1 GB of available hard-disk space (more is recommended)
  • 1,024x768 or greater monitor resolution

Windows platform:

  • Photomatix Pro: Windows XP, Vista, 7 or 8 (non RT), or Windows 98, 2000 with .NET 2.0 framework or higher (if the .NET framework is not installed, the installation wizard of Photomatix Pro will prompt you to download it from Microsoft's website).
  • Photomatix Essentials: Windows XP, Vista, 7 or 8.

Mac OS X platform:

  • Photomatix Pro: Mac OS 10.4 or higher
  • Photomatix Essentials: Mac OS 10.5 or higher

Does Photomatix support RAW files from the Sony A77 Mark II, Panasonic GH4, and Nikon D750 and D810?

Yes. Support for RAW files from the Sony A77 Mark II, Panasonic GH4, and Nikon D750 and D810 was added in Photomatix Pro 5.0.5 and Photomatix Essentials 4.0.

Why do I get weird colors when I open my Nikon D5300 or D810 RAWs in Photomatix?

While the current versions of Photomatix Pro and Essentials do support RAW files from the Nikon D5300 and D810, it only works with 14-bit NEF files, not with 12-bit ones.

We will fix this issue in a future version, but in the meantime you can avoid it by setting your NEF Preference to 14-bit instead. Another option is to convert your 12-bit NEF files to TIFF or JPEG in a software that support them, and then load the converted files in Photomatix. This workflow has other advantages, as further detailed here.

Does Photomatix support RAW files from the Sony A6000?

Yes. Support for RAW files from the Sony A6000 was added in Photomatix Pro 5.0.4 and Photomatix Essentials 4.0.

Does Photomatix support RAW files from the Canon 1DX?

Yes, the current version of Photomatix Pro and Essentials support RAW files from the Canon 1DX, provided they are taken in standard RAW mode. 1DX files taken in SRAW or MRAW mode are not supported.

If you prefer to load your D1X RAW files directly in Photomatix, then take them in standard RAW mode. If you prefer to shoot in SRAW or MRAW mode, you can use Canon Digital Photo Professional to convert your files to TIFF or JPEG, or load the files via our Lightroom plugin if you have Lightroom.

Does Photomatix support RAW files from the Canon S100 and G1 X, Nikon D4 and D800, Sony NEX-7 and Panasonic GX1?

Photomatix Pro supports RAW files from these camera models since version 4.2 and Photomatix Essentials since version 3.2. To upgrade to the latest version, please go to the download page.

Your list of supported RAW files includes the D600, but I get pink highlights with them.

This is due to a bug introduced in Photomatix Pro version 5.0, and will be fixed in the v5.0.5 release. If you are interested in helping us beta test the fix, you may download the v5.0.5 beta build from this page.

What are the file formats and RAW files supported?

Photomatix Pro and Photomatix Essentials load images in the following file formats:

  • JPEG
  • TIFF 8-bit and TIFF 16-bit
  • PSD 8-bit and PSD 16-bit
  • Camera RAW (see more details below)

Photomatix Pro and Photomatix Essentials saves final images as:

  • JPEG
  • TIFF 8-bit and TIFF 16-bit

Photomatix Pro also supports 32-bit HDR image file formats:

  • Radiance RGBE (Open and Save)
  • OpenEXR (Open and Save)
  • TIFF 32-bit (Open and Save)
  • PSB 32-bit (Open only)

Photomatix Pro and Essentials load RAW files from Canon, Nikon, Sony, Olympus, Panasonic, Pentax, Minolta, Fuji, Sigma, Phase One and Leaf, as well as Digital Negative (DNG).

If your camera model is recent, you may have to wait for a future version of Photomatix before it supports RAW files from your new camera.

The best way to check whether RAW files from your camera are supported is to try Photomatix with your RAW files. There is also a list of camera models supported by Photomatix Pro and Essentials, but it isn't exhaustive, which means that the latest Photomatix version may still support RAW files from your camera even if it is not on this list.

Tips & Tricks

What camera do I need to get good results with your software?

Photomatix works with photos taken under different exposures. To get good results, the exposures taken should cover the entire dynamic range of the scene.

For most outdoors scenes, you can cover the dynamic range by taking three photos separated by two EVs (i.e. two full stops), or five photos separated by one EV.

Many digital cameras include an Auto Exposure Bracketing option that makes the process of taking several exposures easier and faster. If you select Aperture Priority and then use Auto Exposure Bracketing, the camera will automatically take 3 or more shots at different exposure times when you press the shutter release button.

A camera offering Auto Exposure Bracketing (AEB) is therefore recommended for taking HDR pictures.

Note, though, that your camera's AEB option won't be much useful for HDR shots if the maximum it offers is 3 shots separated by less than one EV (for instance, 0.7 or 2/3 EV). In this case, you would have to change the exposure times manually if you want to capture the dynamic range of a high contrast scene.

To check the Auto Exposure Bracketing settings of a camera and whether it offers an AEB option, see the list of AEB settings per camera model.

A two-EV spacing is best for capturing images intended for HDR. However, a one-EV spacing is still OK if the camera can take 5 or more frames with Auto Exposure Bracketing.

I have a RAW file. Can I make different exposures with it to use in your software?

You can still use Photomatix when you have a single image at your disposal. So, you won't necessarily need to derive "fake" exposures from your RAW file.

In any case, the range of "workable" exposures that can be extracted from a single RAW file is limited. If you are shooting a high-contrast scene, your results with a single RAW file won't be as good as with shots captured with different exposure settings.

There are three techniques for using Photomatix with one single exposure taken in RAW mode:

  • Technique 1: Open your RAW file in Photomatix and tone map it directly.
  • Technique 2: Convert your RAW file into a 16 bits/channel image in your favorite RAW converter, then open it in Photomatix, and tone map it.
  • Technique 3: Create two or three exposures in your RAW converter and combine them in Photomatix as if they were "real" bracketed shots

Technique # 3 often gives the best results and has the advantage of working with Exposure Fusion.

Regardless of the technique, it is important to keep the noise at a minimum at capture time if you want to get good results from a single-exposure capture. For this, set the lowest ISO possible (e.g. ISO 100) and expose for the shadows when taking the RAW image, i.e. overexpose your shot. Even though the histogram of your camera may indicate that highlights will be lost, you should still be able to recover them during RAW conversion (unless the scene is too high contrast, but then a single image won't be sufficient for good results with Photomatix).

Do I need to convert bracketed RAW files to TIFF before using Photomatix?

The answer depends on your needs and preferences. It is better to first convert your bracketed RAW files, and then load the converted TIFF or JPEG files in Photomatix, in the following cases:

  • You need lens correction
  • You need fine control over white balance adjustments
  • Chromatic Aberrations in your photos are particularly difficult to correct
  • You are more interested in Exposure Fusion than HDR/Tone Mapping

When you convert your RAW files to TIFF or JPEG before loading them in Photomatix, you should systematically disable sharpening, as sharpening should be applied on the final image, not before. You should also ensure the Black is set to zero.

If you are primarily interested in HDR/Tone Mapping, then you should also uncheck all tonal and exposure-related automatic settings. That is, set to zero the Exposure setting but also settings for Contrast, Shadow and similar.

If you are only interested in Exposure Fusion, then the reverse applies. It is better in this case to use the auto-settings of the RAW converter, or adjust them to your liking.

Note that if you have Lightroom and Photomatix Pro, you can directly integrate Lightroom's RAW conversion with Photomatix via the free Lightroom Export Plugin to Photomatix Pro (if you are instead using the Photomatix HDR Plugin for Aperture, the RAW conversion is done by Aperture when you invoke the plugin).

If you need to use the intermediary 32-bit HDR file for image based lighting in 3D or special effects software, then it is better to load RAW files directly in Photomatix. This will ensure a better linearity and accuracy of the intermediary 32-bit HDR file.

What is the ideal exposure range and exposure spacing?

The ideal exposure range is one that covers the dynamic range of the scene you are shooting. So, the exposure range depends on the scene.

For many outdoors scenes, 3 exposures spaced one or two EVs apart may be sufficient. However, this won't be sufficient for an interior with an outside view on a sunny day, for instance.

An EV (Exposure Value) is also referred to as a stop (or full-stop when it is one EV). One EV increment corresponds to a doubling of the amount of light hitting the camera's sensors. This means, for instance, that you can capture a range of 8 EV with exposure times ranging from 1/250 to 1 second, assuming a fixed aperture and ISO setting. If you set your camera to +/-1EV step increments, you will need 9 frames to achieve that range. If you set it to +/-2EV, you will need 5 frames.

Regarding the exposure spacing, an increment of 1.5 or 2 E.V. is generally recommended. The advantage compared to an exposure spacing of 1 EV is that it requires fewer shots to span the dynamic range, and therefore reduces the risks of mis-registrations and ghosting. It also reduces storage needs and makes for faster processing in Photomatix. On the other hand, a 1 EV spacing -or lower- does have the advantage of better smoothing out noise when merging to an HDR image.

How do I select the exposures?

To get good results with Photomatix, your bracketed capture must include both photos that correctly expose highlights and photos that correctly expose shadows. The latter is especially important to avoid noise showing in the final image.

The number of photos you need depends on the scene. It also depends on the Exposure Value (EV) spacing separating the photos. If you take them in one-EV steps (e.g., -1, 0, +1 EV), you will need more photos than if you take them in two-EV steps (e.g., -2, 0, +2 EV). We recommend shooting in two-EV steps whenever possible.

In your most overexposed photo, the darkest shadows should be close to the mid-tones (you can check this with your camera's histogram preview in playback mode). If this is not the case, it is recommended to add one or more photos taken with longer exposure times.

Another option is to re-shoot the exposure sequence with the normal exposure set one or more EVs higher if your most underexposed image in the exposure sequence was too dark. This is the case when the histogram of your darkest image is completely empty on the right half.

High contrast scenes can be grouped into roughly two types depending on their dynamic range:

  • Medium dynamic range scene: Most landscapes and other types of outdoor scenes fall into this category. Three exposures taken in two-EV steps (i.e. -2, 0 +2 EV), or five exposures taken in one-EV steps, are usually sufficient for this type of scene.
  • High dynamic range scene: A typical example is a room interior with a window on a sunny day. You need to take at least five exposures in two-EV steps (or nine exposures in one-EV steps) to capture this type of scene, but you may need more.

In the case of a high dynamic range scene, you can determine the number of shots and exposure settings as follows:

  • Set your camera in manual exposure mode. Then, select the aperture you find the most appropriate for your scene and choose the lowest ISO setting possible.
  • Measure the light in the highlights you want to preserve. You can do this by pointing the highlights in Av mode, or by spot metering. Take a shot with this exposure and look at the histogram to check that no important areas are burned out.
  • Measure the light in the shadows you want to see details in. You can do this by pointing (or spot metering) the darkest area.
  • Calculate the number of EVs needed to capture the dynamic range. To do this, divide the exposure time measured for the shadows by the exposure time measured for the highlights, and take the log2 of the ratio you got.
  • Take the most underexposed shot. Then, set the next exposure by multiplying the exposure time by 4. This will space the exposures by two-EV, if you prefer to space them by 1-EV, multiply the exposure time by 2 instead.

If you cannot achieve the number of shots and exposure settings using the Automatic Exposure Bracketing function of your camera, you will have to bracket more than once or set each exposure individually. Note that you would need to use a tripod if you change the exposures or brackets manually.

How can I get good results when shooting a room with a bright window?

The dynamic range of the inside of a room with a view outside the window on a sunny day is particularly high, much higher than the dynamic range of a typical outdoor scene.

The key to getting a good result with such scenes is to take enough exposures to properly cover the dynamic range. In most cases, you will need at least five exposures spaced two EVs apart. If you take less, you may get washed-out highlights or noisy shadows due to "holes" in the coverage of the dynamic range.

The best way to make sure you have taken enough exposures is to measure the light as explained above. Also, set the EV steps to +/- 2 if your camera allows it, but no more than 2 in order to ensure a "smooth" coverage of the dynamic range. If your camera doesn't allow more than a +/- 1 EV increments, remember that you will need more exposures than with a two-EV spacing.

When you then process the shots in Photomatix Pro, we recommend trying both Exposure Fusion with the Fusion/Real-Estate method and Tone Mapping with the Contrast Optimizer method.

You can access these methods via the Process and Method controls (located above the sliders on the Setting panel on the left). Alternatively, you can access Fusion/Real-Estate with the 'Interior' preset and the Contrast Optimizer with the 'Balanced' preset.

The Fusion/Real-Estate method is particularly good at keeping a balanced and "photorealistic" look, while still preserving highlights.

What is the best workflow: Exposure Fusion or HDR Tone Mapping?

This depends on the dynamic range of the scene, the characteristics of the source photos and the effect you want to achieve. Our recommendation is to try both. The table below lists the main pros and cons of both processes.

  Pros Cons
  • Tone Mapping
  • Can preserve details in shadows and highlights even when the dynamic range is particularly high
  • Offers large range of settings to adjust image to one's liking
  • Unprocessed HDR merged file can be saved
  • When source images are noisy, tone mapping often further increase noise
  • Effect of settings may vary depending on the image, making it necessary to adjust settings per image to achieve a consistent look
  • Exposure Fusion
  • Fused image is close to the source photos, giving it a "natural" look
  • Fusing the images has the effect of reducing noise
  • Easy-to-understand process, not requiring much tweaking
  • Lack of local contrast when dynamic range is high, resulting in "flat-looking" image in some cases
  • Memory load for fusing photos increases with the number of source photos

I am getting noisy results. Is there a way to avoid this?

The Tone Mapping method "Details Enhancer" enhances local details a lot. If the local details of your HDR image are noisy (you can easily see that in the HDR viewer), then the noise will be enhanced as well, unfortunately.

To avoid too much noise showing on the tonemapped image, make sure to check the "Reduce noise" box when merging the images.

However, it is always a good idea to ensure you are taking the photos in the best conditions to keep noise as low as possible. Here are two rules to follow for this:

  • Rule 1: Set a low ISO setting (ISO 100 or lower)
  • Rule 2: Overexpose sufficiently, ensuring that the lightest image of your exposure sequence has its shadows in the mid-tones.

When you process your images in Photomatix, you can reduce the effect of noise by using an Exposure Fusion method, such as Fusion/Natural (which you can also access by clicking on the 'Natural' preset). Processing your photos with Exposure Fusion can be an effective way of reducing noise, as the fused image will have less noise than the original source photos.

If you are using Photomatix with a single RAW image instead of multiple exposures, the chance of getting noisy results is higher. We therefore recommend to expose for the shadows by slightly overexposing your shot when you aren't taking bracketed exposures.

How do I reduce/eliminate "halo" or "glow" effects with Tone Mapping?

Assuming you are using the Details Enhancer method, try to increase the Smooth Highlights setting (under the "More Options" section), as this setting can be effective for reducing halos around objects placed against bright backgrounds. Other adjustments that may help are to lower the Strength or increase the Lighting Adjustments settings.

Another option is to use the Tone Compressor or Fusion/Natural methods, as they are free of halo artifacts. You can access these methods via the 'Photographic' and 'Natural' presets respectively. Fusion/Natural is particularly recommended if you are looking for natural-looking results.

Using Photomatix

My camera does not shoot RAWs. Can I still use your software with JPEG pictures?

Definitely. Photomatix does not require images in RAW format. Photomatix is designed to work with photos taken under different exposure settings, and works great when those images are JPEGs.

The important feature to look at in a camera is Auto Exposure Bracketing (AEB), the ability to automatically take three or more exposures, preferably in two EV steps. The higher the maximum EV step, number of auto-bracketed frames and frame rate speed, the better it is for HDR processing.

When I load RAW files into Photomatix, why does it ignore my Camera Raw edits?

The settings added by Adobe Camera Raw (ACR) in XMP sidecar files are parameters of the Raw conversion engine of ACR. As Photomatix doesn't have access to the proprietary technology of ACR's Raw conversion engine, it cannot use information set by ACR in the XMP files.

The same applies to Adobe Camera Raw settings embedded in DNG files.

In order to preserve the edits you made in Adobe Camera Raw, you will have to convert your RAW or DNG files to TIFF, and then process the TIFF files in Photomatix. See above for more information on this workflow.

Why does the size of the Photomatix output slightly differ from the size of the original RAW file in Photoshop?

When you load RAW files directly into Photomatix, the Raw conversion is done by Photomatix, and the conversion process differs depending on the software doing it.

The Raw conversion used by Photomatix tries to extract as many pixels as possible from the original Raw data captured by your camera's sensors. For some camera models, this results in a width and height that are a few pixels more than the width and height you get when the Raw file is converted by other software.

To avoid this, you would need to convert your original RAW files first in Photoshop (or other Raw conversion software you are viewing the Raw file in), then load the converted TIFF or JPEG files into Photomatix. The pixel size of the images produced by Photomatix will then be same as the size of the source images.

Note that if you use the alignment option and need to overlay the Photomatix image with the original photos, you will have to leave the 'crop aligned images' box unchecked to ensure the size is not reduced.

What is the maximum file size that I can work with?

The file size to consider for Photomatix is the size expressed in number of pixels, i.e. width X height. Since Photomatix has to decompress the images for processing, the compression factor of the input images does not make any difference in the ability to process large files.

The maximum file size (in number of pixels) that you can process with Photomatix depends on the following:

  • the RAM your computer has
  • whether your OS is 32-bit or 64-bit
  • the pixel depth of your images
  • the number of bracketed photos you are merging
  • the number of other memory-hungry applications opened on your computer
  • the free space available on your hard drive

Additionally, it is important to note that there is an upper limit to the amount of RAM that is made available to applications like Photomatix. On Windows 32-bit, this limit is as low as 2 GB, regardless of your RAM. That is, it will still be 2 GB via virtual memory if you computer has less than 2 GB RAM, but it won't be more than 2 GB if your computer has 4 GB RAM (unless you enable the /3GB switch).

External memory fragmentation further limits the memory available to Photomatix, by making it impossible to allocate a contiguous block of memory large enough for the processing needed. External memory fragmentation is a problem on Windows OSes, particularly on Windows XP. It means that the system does not organize the available memory efficiently, making it unable to re-use the memory that Photomatix has released.

When you create a particularly large Radiance .hdr file in another application and want to tone map it in Photomatix Pro, you have the option to open the file in so-called "Preview" mode. This will load a low resolution version of the file, thereby avoiding saturating the memory available for the user interface when adjusting the tone mapping settings. The final process will then run in the background and apply the tone mapping settings to the full resolution file.

For an idea of the memory necessary to process your images, the following formulae give a rough estimate of the amount of memory (RAM) needed in number of bytes:

Merging bracketed photos to HDR:

width * height * (3 * (bit-depth/8) * numberOfImages + 6)

Tone Mapping with Details Enhancer a Radiance file (.hdr extension) opened in "Preview" mode with the Lighting Effects Mode box checked:

width * height * 18

This means that merging three 100 MegaPixels 16-bit images to HDR requires around:

100,000,000 * (3 * 2 * 3 + 6) = 2.4 GB

and tone mapping a 100 MegaPixels Radiance file with Details Enhancer (Lighting Effects Mode box checked) requires around:

100,000,000 * 18 = 1.8 GB

How does your software handle color profiles?

Photomatix processes the RGB values of your source images directly, without converting them to another color space. This means that images you create with Photomatix are in the same color space as the one specified by the ICC color profile of your source images.

When a color profile for the source images is available, Photomatix embeds it into the resulting tone mapped or fused image.

In the special case when you have saved as Radiance the unprocessed intermediary 32-bit HDR file before tone mapping, Photomatix saves the name of the color profile in the header of the Radiance file. If you then re-use the Radiance file for tone mapping in Photomatix Pro and the saved name is sRGB, AdobeRGB or ProPhoto RGB, Photomatix will generate the corresponding ICC profile and embed it in the tone mapped image.

Photomatix is color managed for the display, as well. This means it will show the correct color values based on the ICC profile of the image and the color profile set as display profile for your monitor.

On Mac OS X, the display profile is set under System Preferences->Displays->Color.
On Windows, it is under Settings->Control Panel->Display->Settings->Advanced->Color Management.

Do I need to load the images in any particular order?

No, you can load the images in any order, regardless of their Exposure Value.

The process of merging to HDR makes it necessary to assign an exposure to each source image and Photomatix automatically retrieves the exposure information from EXIF data. When the images do not have EXIF data, Photomatix estimates the EVs based on the brightness level of the source photos. Photomatix Pro also offers the option to manually adjust the estimated EVs (unless the program is run in batch mode).

What are the differences between Exposure Fusion and HDR/Tonemapping?

Both processes start from Low Dynamic Range (LDR) images taken under different exposures and both attempt to produce an LDR image that shows tonal details of the entire dynamic range captured by the multiple exposures.

The differences are in the processes involved. Exposure Fusion combines the source photos in such a way that highlight details are taken from the underexposed photos and shadow details from the overexposed ones. The fused image is therefore a weighted average of the source images.

Exposure Fusion has the advantage of being easy to understand and is familiar to photographers who are used to doing this process manually in image editing applications. Also, Exposure Fusion has the nice side effect of reducing noise.

HDR Tone Mapping is composed of two steps. The first step merges differently exposed photos to a 32 bits/channel unprocessed HDR image. Such image cannot be displayed properly on standard monitors, which is why a second step called Tone Mapping is necessary.

Tone Mapping consists of scaling each pixel of the HDR image, so that details in highlights and shadows show correctly on monitors and prints (these details are available in the unprocessed 32-bit image but not directly visible because of the low dynamic range of the display).

Tone Mapping algorithms vary from a simple gamma curve (which is close to what cameras are doing when converting 12-bit or 14-bit RAW data to JPEGs) to more complex operations commonly divided into two categories:

  • Global mapping: the brightness value of a pixel in the final image depends on its brightness value in the original image, as well as global image characteristics, but not on the pixel's spatial location
  • Local mapping: the brightness value of a pixel in the final image varies depending on whether the pixel is located in a dark or bright area in the original image.

The main advantage of global mapping is fast processing. Local mapping requires longer processing times but is better at producing a "good-looking" photograph (which is because the human eye adapts to contrast locally). In Photomatix, the Tone Mapping methods named Details Enhancer and Contrast Optimizer belong to the category of local mapping and Tone Compressor to the category of global mapping.

Does Photomatix make use of dual and quad processors?

Photomatix makes use of multi-threading in RAW conversion, image alignment, noise reduction, and processing with Details Enhancer, Contrast Optimizer, Tone Compressor, Fusion/Natural and Fusion/Real-Estate methods.

However, it is important to note that most processes of Photomatix are memory-intensive, which means that multi-processor support may not speed up processing times as much as one may expect. For a memory-intensive process, the bottleneck regarding processing times comes from memory accesses rather than a high number of operations (as the processor has to stay idle for many cycles, waiting for data to be fetched in memory).

How many images can I merge?

With Photomatix Essentials, the number of images you can merge is limited to 5. With Photomatix Pro, the number of images you can merge is unlimited.

Is it true that Photomatix converts RAWs to JPEGs for internal processing?

No. Photomatix does not convert RAW files to JPEG for internal processing, and never did. It would not make sense to do this anyway, given that converting to JPEG would result in quality loss and add processing time.

When you load RAW files in Photomatix, the files are converted in linear space into an uncompressed image with 16 bits per color channel, i.e. 48 bits per pixel.

The only time Photomatix converts to JPEG is when you want to save the image created by Photomatix and choose to save it as JPEG. This applies to a tonemapped or fused image created by Photomatix, and not to the original image you loaded.

Can I use your product for combining multiple scans?

Yes, Photomatix can be used to combine two or more scans from the same film scanned under different exposure settings. You may also try with scanned slides, but it is better to do it with negatives, as the dynamic range for film's negatives is higher than for slides.

You will need to ensure that the scans have the same size before loading them in Photomatix. You will also need to check the "Align images" option in order to correct for possible mis-registration of the scans.

Technical issues and unexpected results

When I try to run Photomatix, I get an error message just after launching it

If you are on Windows and the error message makes reference to a process id and thread id and/or includes one of the following:

  • application has generated an exception that could not be handled
  • the application or DLL is not a valid Windows image
  • application failed to initialize properly
  • fatal execution engine
Then the error is most likely related to a corrupted installation of the .NET framework on your computer.

You can solve the issue by uninstalling and reinstalling the .NET Framework on your PC.

If you are on Windows XP, Vista or Windows 7, an alternative is to download the special version of Photomatix that embeds the .NET Framework, and therefore should solve the issue. You can download this special version directly from one of the links below:

Download Photomatix Pro 5.0 with the .NET Framework embedded (28 MB).

Download Photomatix Pro 4.2 with the .NET Framework embedded (28 MB).

Download Photomatix Essentials with the .NET Framework embedded (29 MB).

We recommend uninstalling all versions of Photomatix on your computer before installing the .NET Framework embedded version.

I get an insufficient memory error with exposure fusion

Assuming you are running on Windows (if you are on Mac, please contact our support as such error would be unusual), this error can happen when fusing photos with the 32-bit edition of Photomatix Pro or Essentials. It may also happen with the 64-bit edition if your computer has less than 4 GB RAM.

If your computer has 4 GB RAM or more, check first that you are using the right edition of the software for your computer. If your OS is 64-bit (see above how to check this info), make sure that you are running the 64-bit edition of Photomatix. If the title bar of the main program's window ends with "32-bit" rather than "64-bit", then you are running the 32-bit edition and downloading the 64-bit one should then solve the issue.

If your OS is 32-bit or has less than 4 GB RAM, there may still be some workarounds to avoid the issue:

  • If you are running other memory-hungry programs (e.g. Photoshop or Lightroom), close them while you are running Photomatix.
  • If the photos you loaded are RAW files, then convert them to JPEG or TIFF 8-bit in your favorite RAW conversion software before loading them in Photomatix.
  • If you are fusing 5 or more photos, check the EV-spacing of the photos. If your bracketed shots are spaced by 1 EV (i.e. -2, -1, 0, +1, +2 for 5 photos) or less, then only load the -2, 0 and +2 photos, discarding the intermediary exposures. Note that if you are using the batch, you can let Photomatix automatically discard the intermediary exposures by using the second option in the "Advanced Selection" panel.

I can't get sharp results with your software

Lack of sharpness on HDR processed images is often due to the use of Shutter priority or Program mode instead of the recommended Aperture priority mode when bracketing shots.

If you set your camera to Shutter priority, the depth of field will change between the shots, and this will lead to inferior results on the combined image. There may also be vignetting issues, too.

It is important to set your camera to Aperture priority when shooting with Automatic Exposure Bracketing (AEB). This way, only the shutter time will vary, and the Aperture (and therefore depth-of-field) will remain the same.

The preview does not look the same as the final image

If the final image looks less "sharp" or "crisp" than the preview, this is because the preview shows the image at a lower resolution than the resolution of photos from your camera. As the preview image is small, it can be displayed directly on screen, with one pixel in the preview corresponding to one pixel on your monitor.

The final image, however, is too large to show in its entirety at 100% resolution. So, whenever you are viewing the final image at a resolution lower than its full resolution, the image is downsampled, with one pixel on screen averaging several pixels in the original image. This downsampling has the effect of making the final image appear less sharp.

However, if the difference you are observing is not as described above, but is that the final image is substantially darker or lighter than the preview, this may happen with some images when using the Details Enhancer or Contrast Optimizer methods. If you are using the Details Enhancer method with the Lighting Effects mode box checked, then enlarging the preview (by clicking on the + magnifier icon) to a size close to its maximum should avoid the difference. It may also help to set the Black Point and White Point to their default values (0 and 0.25 respectively) and ensure the Micro-smoothing setting is higher than zero.

How do I transfer to Photomatix Pro version 5 my presets saved with version 3?

This question is only applicable to the Windows version of Photomatix Pro, as the presets location did not change in the Mac version.

In Photomatix Pro version 3 for Windows, presets you saved using the "Save Settings" feature where stored in the 'Presets' folder of the directory where you had installed Photomatix Pro. If you installed it in the default location (and assuming you installed on a C drive), then the presets are in this folder:

C:\Program Files\PhotomatixPro3\Presets

In Photomatix Pro version 4 and 5, presets are now stored in your Application Data directory instead of the installation directory of Photomatix Pro. So, to transfer your presets from version 3, you will have to move the XMP files in the above folder to the following location depending on your OS:

Windows Vista, 7 or 8:

C:\Users\<UserName>\AppData\Roaming\HDRsoft\PhotomatixPro\Presets

Windows XP:

C:\Documents and Settings\<UserName>\Application Data\HDRsoft\PhotomatixPro\Presets

Where <UserName> is the name of the user under which Photomatix Pro was installed.

You changed the name of settings in the new Photomatix Pro version. What were their names in older versions?

Four Details Enhancer settings were renamed in Photomatix Pro v4.1 and one in v5.0:

Old nameNew name
LuminosityTone Compression
MicrocontrastDetail Contrast
SmoothingLighting Adjustments
Light ModeLighting Effects Mode
Highlights SmoothnessSmooth Highlights

Two "Fusion/Natural" settings were renamed in Photomatix Pro v4.2 and one in v5.0

Old nameNew name
AccentuationStrength
Blending PointBrightness
SharpnessLocal Contrast

The alignment did not work with my images

Photomatix alignment is supposed to work in all cases of mis-registration due to camera movements between the bracketed shots. However, it may be necessary to adjust some of the alignment settings for images that are particularly difficult to align.

If you used the "on tripod" alignment method, try the "hand-held" method, even if your images were taken on a tripod. The "hand-held" alignment method is much more powerful and is also suitable for images taken on a tripod.

If you used the "hand-held" method, try to uncheck the "Include perspective correction" box (or check it in case it was unchecked). If changing that option would still not make a difference, then try adjusting the 'Maximum shift' setting based on how much camera movement was involved.

If the above doesn't help, we would be grateful if you could contact our technical support to provide us with the images that Photomatix failed to align. This way, our engineers can use your images to reproduce the misalignment issue in order to investigate its cause and further improve the alignment algorithm. Note that even if adjusting the "include perspective correction" option solves the issue, we would still be very interested in getting your images, as our aim is to have Photomatix "guess" whether perspective correction is needed.

When installing a newer version, I get the message "Error trying to replace existing file: DeleteFile failed; code 5"

This error message means that you are running Photomatix at the same time you tried to install another version of it. To avoid the error, close any instance of Photomatix that is already open before installing another version.

How do I uninstall Photomatix on a Mac computer?

Go to your Applications folder, locate the Photomatix Pro app file and move it to the Trash.

Using Photomatix for panoramas

I am stitching panoramas. How should I integrate Photomatix into my workflow?

First of all, you will need to shoot each one of the panorama's angles of view at different exposures (for instance three exposures at 0, -2, +2 EV). Those exposures should remain the same for all of the angles of view of your panorama.

If your panorama software supports 32-bit HDR stitching, then you can use Photomatix to create 32-bit HDR image files in Radiance (.hdr extension) or OpenEXR (.exr extension) format that you will then load in the panorama software for stitching. Once the 32-bit HDR panorama has been stitched, you can open it in Photomatix Pro for tone mapping.

If your panorama software does not support 32-bit HDR stitching, there are two possibilities for integrating Photomatix inro your panorama workflow:

  1. Stitch-then-HDR: create panoramas at multiple exposures and process them in Photomatix
  2. HDR-then-Stitch: process your bracketed images in Photomatix and stitch the tone mapped or combined images

With the Stitch-then-HDR worflow, you will stitch a panorama for each exposure level and then merge those panoramas in Photomatix. If you shot your panorama frames at -2, 0 and +2EV, for instance, you will load all your -2 EV photos in your panorama software, stitch them and save the resulting -2EV pano. You will do the same for the 0 EV and +2 EV photos, then merge the -2, 0 and +2 EV pano images in Photomatix Pro.

Note that the Stitch-then-HDR workflow assumes the differently exposed panoramas are stitched the same way, i.e. using the same control points for each panorama. This can only work if your stitching software makes it possible to replicate the stitching parameters used for one panorama to another panorama, so that it can stitch the panorama at each exposure level exactly the same way. If this is not the case, you will have to use Photomatix prior to stitching, i.e. merging your bracketed shots for each one of the angle of views and then stitch together the resulting images.

The second type of workflow, HDR-then-Stitch, avoids multiple stitches per pano, which is an advantage if your pano is composed of a limited number of views. The drawback, however, is that this approach may not work well with the dynamic range increase techniques that take the most advantage of local contrast, especially the Details Enhancer method. Because local contrast is specific to a given view, those techniques produce images with different tone levels, making them more difficult to stitch.

We recommend the Batch Processing of Photomatix Pro when using the HDR-then-Stitch workflow.

My tone mapped panorama shows a straight vertical seam line after processing in Photomatix.

You will need to check the "360º image" option to get rid of the seam that would otherwise appear when you tone map or fuse panoramas with Photomatix Pro.

Miscellaneous

How do I stay informed about your product updates?

You are welcome to subscribe to the Photomatix announcements to receive an email when a new major version of the software is released. (Please note that our strict privacy policy precludes us for using the email addresses of your order for marketing purposes, so you must explicitly request to be notified about upgrades by subscribing to the announcements).

If you are using Photomatix Pro, you can also check whether you are using its latest version via the 'Check for Upgrade' menu item. You can access it from the 'Help' menu on Windows and 'Photomatix Pro' menu on Mac.

How do I change my email address to my new one?

The answer depends on the reason for changing your email address in our records of your purchase.

If it is because you expect to receive a newsletter when you purchase a license of Photomatix, then this won't happen automatically, as explained above. So, if you wish to get informed of new versions of our products, you will need to explicitly request it by subscribing to the Photomatix announcements. If you already subscribed with your old email address, then you would just need to subscribe again with the new one.

If you wish to change the email address in our records because you need to be resent your License Key, then please contact us mentioning your old email address.

Is there a wish-list for Photomatix?

Definitely. Please use the Technical Support Form and select 'Suggestion / Feature Request' for the type of query to let us know what your suggestions, ideas or feature requests are. Thank you in advance.

Why do you charge for your Aperture Plugin while the Lightroom Export Plugin to Photomatix Pro is free?

Though Aperture and Lightroom are similar types of applications, their plug-in architectures are quite different.

The Photomatix Pro Plugin for Lightroom has for only purpose to export images in the Lightroom library to the standalone Photomatix Pro, and re-import back the resulting image to Lightroom. This means the plugin itself doesn't perform any HDR processing and can't do anything interesting without Photomatix Pro. The photos exported via the Lightroom plugin are processed in Photomatix Pro, and not in Lightroom.

By contrast, the Photomatix HDR Plugin for Aperture is a Plugin of the "Edit" type which works completely independently of the standalone Photomatix Pro. An Edit Plugin is similar to a Filter Plugin in Photoshop. The images you edit with the plugin remain in Aperture and are processed by the plugin itself.

You do not need Photomatix Pro to create HDR photos with the Aperture plug-in, which is why the Aperture Plugin is sold separately from the standalone Photomatix Pro (or bundled with it in Photomatix Pro Plus). However, you do need Photomatix Pro if you use the Lightroom Export Plugin to Photomatix Pro.

Do you offer a discount to students?

Yes. You can find the details on the academic pricing page.

Can I install two different versions of Photomatix Pro in parallel?

Yes, as long as you install each version in a separate folder.

Has your website been impacted by Heartbleed, and if so, was it patched?

The servers associated with the HDRsoft.com website were all running versions of OpenSSL that aren't affected by Heartbleed. So, our website is not impacted by Heatbleed and all information you provided to us is safe.

Is there any chance you will release a Linux version of Photomatix?

Yes. We are currently working on a Photomatix for Linux program that includes several of the features of Photomatix Pro.

In the meantime, it is possible to run the Windows version of Photomatix Pro under Linux through Wine. This requires, however, that you install the .NET framework under Wine. The instructions to install Wine and the .NET framework under Fedora and Ubuntu are detailed here.

Is there a Photomatix app for the iPad?

Photomatix is not available as an iPad app at the moment, but we are considering offering one in the future.

If you have suggestions or ideas for an edition of Photomatix that runs on the iPad, you are welcome to share them with us. You can submit your suggestions via the Technical Support Form, selecting "Suggestions / Feature Request" for the type of query.