12 or 14 Bit Files? Best Compression Setup

Started Dec 29, 2012 | Discussions thread
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Re: 12 or 14 Bit Files? Best Compression Setup
In reply to ormdig, Jan 4, 2013

ormdig wrote:

If I may alter this question slightly, what is lost when going from uncompressed to lossless compressed 14 bit? I realize it says "lossless" but what happens and why have uncompressed if there is no advantage. Any real world difference? Thank you. Pete.

Nothing is lost with lossless compressed. The RAW data is exactly the same as with uncompressed. The smaller file size of the lossless compressed is achieved by encoding the raw data taking advantage of the redundancies it contains.  Uncompressed RAW was useful in the old days when lossless compressor was slow or missing from the camera. On modern cameras there is no good reason to use uncompressed any more. Your real choice is between lossless compressed and lossy compressed and between 12 and 14 bits.


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