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#11 | |
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Join Date: Jun 2002
Location: Hay River Township, WI
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#12 |
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Join Date: Jun 2002
Posts: 1,141
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Hi Bill,
I don't think that we could justify that conclusion. The additional four bits makes a tremendous difference in terms of the number of theoretical colors divisions within the spectrum possible to capture, but I don't think it has as much influence on the extremes as on the size of the discrete divisions within these extremes. I find that 8-9 stops are warranted on low ISO captures with the better 12 bit sensors and 6-8 stops on the 8 bit sensors. Obviously, some are better and some or worse, but this seems to be a reasonable "guestimate" based on most measurements under fairly controlled conditions. You might visit dpReview where Mike Chaney (Qimage author) and Phil Askey (site owner) have conspired to get a handle on a way to better assess these measurements. Lin |
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