Archived posting to the Leica Users Group, 1998/12/31[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]
Mark Rabiner writes: > Eric Welch wrote: > > > Negative films can be worked up in Photoshop easier than slide films. > > Kodak's scanner does pretty good with Kodachrome when you use the latest > > driver. And the brilliance of slides on a projector screen cannot be > > matched by the web, but the glowing phosphor of a computer screen isn't > > that bad. > > I think Ansel Adams wrote that the luminance ration on a projected slide > is 200/1, > glossy print 50/1, > mat print 10/1. > I wonder where a computer screen fits into that. Philip Greenspun, proprietor of photo.net, says (http://photo.net/wtr/thebook/images.html) that for monitors: Contrast ratios between 100 to 1 and 170 to 1 are therefore more typical. and High-quality black-and-white photographic prints have a contrast range of about 100 to 1. g.