On 30 Dec 2003 at 3:16, Pieter Nagel wrote: > It is plausible that, when shooting JPG, that the JPG is derived from the > entire dynamic range of the RAW (i.e. RAW 0 -> 4095 is mapped to > JPG 0 -> 255) - but of course there are less gradations of tonality > inbetween in the JPEG. I think the black point and the white point of the > JPEG are chosen based on a combination of thumbsuck, heuristics, the shape > of your histogram, and your contrast setting, and it need not be true that > there is an extra stop available either below the black or above the white > of your JPEG. Sometimes, but not always.
DRange of in camera jpg is heavily dependent upon contrast setting, it's easy to test. Rob Studdert HURSTVILLE AUSTRALIA Tel +61-2-9554-4110 UTC(GMT) +10 Hours [EMAIL PROTECTED] http://members.ozemail.com.au/~distudio/publications/ Pentax user since 1986, PDMLer since 1998
