William Robb wrote:
If you want to know what the lens will really do in a pictorial
situation, toss the USAF chart, it's isn't worth the paper it's
printed on.
The best resolution test I have found is distant tree branches
against the sky on a still day.
William Robb
you are entitled to your opinion of course.
for the rest of the world, a real world test vs USAF
http://www.hevanet.com/cperez/test/fourcameras.html
btw, in my original post i haven't even mentioned either
"contrast" or "USAF". and, for discussion of digital sensors,
resolution on film is absolutely irrelevant.
best,
mishka