PHOTOMATIX ESSENTIALS TUTORIAL PRO
I've been using RAW with Photomatix but haven't really looked closely at the conversion issue. The app offers batch processing, and you can even use Photomatix Pro as a Lightroom plugin. "As a side note: Though shooting in RAW is definitely better than shooting in jpeg for the dynamic range, this is not really relevant anymore when several exposures are used - if your bracketed shots properly cover the scene's dynamic range, jpegs will work as well as RAWs for creating an HDR image."
Then, use the converted output as source images for Photomatix Pro or Photomatix Light.
"This is why you should process your bracketed RAW files in an application that is specialized in the RAW conversion task. "However, the RAW conversion of Photomatix Pro and Photomatix Light is not as good as the RAW conversion done in Photoshop, Lightroom, Aperture, DxO or other applications specialized in RAW conversion. Also, the calculation of HDR values can rely on the exposure information retrieved from EXIF data when RAW files are used. "When generating an HDR image, having Photomatix directly process the RAW files is theoretically better for the accuracy of the 32-bit HDR image produced - the data in RAW files represent the linear luminance values captured by the camera sensors, which is exactly what is needed for an HDR image. This is particularly recommended with Exposure Fusion, given that Exposure Fusion is intended for images that have been fully processed, either in-camera or through a RAW converter. "Yes, it is recommended to first process your bracketed RAW files in your favorite RAW converter, and then combine the converted TIFF or JPEG files in Photomatix. "Do I need to process bracketed RAW files to TIFF format first? The Photomatix RAW converter almost certainly lacks the distortion and CA correction you get in JPGs or from Adobe RAW conversion.
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