Dynamic range and RAW file "bit depth"

Started 11 months ago | Questions thread
RussellInCincinnati
Senior MemberPosts: 3,197
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oops 14 bits encodes 16384 different numbers, not 8192
In reply to xpatUSA, 11 months ago

szhorvat wrote: Most cameras can record the sensor data with at most 14 bits of resolution. This means that the ratio of the lowest and highest representable values is 2^14.

RussellInCincinnati wrote:

No, it just means that whatever the scene dynamic range might be, that range of brightnesses will be recorded in the raw file using no more than 8192 different numbers.

xpatUSA wrote:

2^14 = 16,384d unsigned?

Oops, keep thinking in terms of APS-C, where everything is halved.

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