X10 filew raw processing

Started Mar 25, 2012 | Discussions thread
Timur Born
Timur Born Veteran Member • Posts: 4,972
Re: X10 filew raw processing

Lightroom can process all RAW files types of the X10, but those files that make use of the sensor's EXR DR method get a purple tint on the highlights of the longer exposed sensor half.

All other files will work properly in Lightroom, regardless of whether they are 19 mb or 10 mb. But 12 mp L sized files will lack detail compared to the out-of-camera JPG. Adobe is aware of the latter and plan on improving it, but don't have a timetable for that (may happen, or may not).

There are different types of RAW files on the X10:

  • 12 mp size L with or without HR DR (RAW or RAW+JPG). It's the job of the RAW converter to demosaic the image to 4000x3000 pixels and apply tone-curves for HR DR (the camera just underexposes internally). Some converters throw away half the sensor information and only create an M size image (Capture One).

  • 12 mp size M with EXR DR (RAW+JPG). It's the job of the RAW converter to demosaic the image to 2816 x 2112, apply curves to the shorter exposed half and blend both halves. Silkypix/EX throws away most (sometimes all) of the longer exposed half information and mostly (sometimes only) creates an image out of the longer exposed half (not just highlights stuff). These files handle differently in each converter, some better (Capture One), some in between (Lightroom), some worse (Silkypix).

  • 12 mp size M with HR DR (RAW+JPG). It's the job of the RAW converter to demosaic the image to 2816 x 2112, apply curves for HR DR and pixel-bin both halves together for better SN.

  • 12 mp size M without HR DR (RAW+JPG). It's the job of the RAW converter to demosaic the image to 2816 x 2112 and pixel-bin both halves together for better SN.

  • 6 mp size M with HR DR (RAW+JPG, ISO 2x DR). The camera seems to do the pixel-binning and likely even curves! Some RAW converters cannot load these files at all (Capture One), those that can should all be able to handle them well. But as a consequence to the camera's pre-production these files react differently to RAW converters' controls (exposure, highlights etc) compared to 12 mp files. This means that the same RAW converter setting will have a different outcome.

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