that is arguably the result of the MPEG-4 compression.

Herb.....
----- Original Message ----- From: "Joaquim Carvalho" <[EMAIL PROTECTED]>
To: <pentax-discuss@pdml.net>
Sent: Friday, July 22, 2005 4:07 PM
Subject: Re: Amazing capability of RAW


Just look at the dark areas of a DVD movie (The Matrix is a good
choice), you'll clearly see that 256 levels are not enough.
These 256 levels are not evenly distributed across the brightness range,
after gamma correction there are very few levels in the dark range.
12 bits would be 4 times better and probably OK


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