Dynamic range and RAW file "bit depth"

Started 3 months ago | Questions thread
DSPographer
Senior MemberPosts: 2,214
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Re: Magic Lantern & analog clipping
In reply to Iliah Borg, 3 months ago

The Magic Lantern folks think that they have uncovered some extra dynamic range for some Canon DSLR- starting with an improvement of about 1/2 stop for the 5D3:
http://www.magiclantern.fm/forum/index.php?topic=10111.0

It looks like they have changed the gain settings so that instead of hitting the A-D clipping, the full range of the analog amplifiers is used with the analog clipping setting the limit. This is a recent development and I am not sure that they fully understand all the implications of what they are doing on the raw converter software. If the conversion software correctly handles the clipping, this looks to add some ISO settings with real additional DR for the 5D3: but what work needs to be done in the raw converter to be able to correctly deal with the less well defined saturation level?

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