It's been several years, but I seem to remember that when I got my
Nikon 4000ED filmscanner they were claiming a Dmax of somewhere
around 3.5 to 4.0, but I measured it (by scanning a Kodachrome IT8
target slide and examining the greyscale separation) at around 2.1
to 2.9 (don't remember the exact
Hi Berry,
Austin, with respect to your last sentence, isn't the point
really that the
contrast range of negative film is greater than slide film?
I'm not sure what contrast range is, but I know what density range is.
Slide film has less exposure latitude, and records on a higher density
When you scan negative film, the histogram is narrow. So I would say
negative film has a low dynamic range.[Yeah, I know slide and negative
film is really the same.]
I think I see the confusion here (or specmanship). The dynamic range of
a dataconverter is related to the number of bits, since the
