On Wed, 15 Aug 2001 20:04:33 -0700 (PDT), you wrote:
>> MTF graphs don't address contrast, do they?
>
>I think they do, or I've been under that assumption at least.
>
>This is from the L-Series brochure: (pretty good, btw)
>
>"Normally, a low spatial frequency indicates good contrast and a high
>spatial frequency indicates good resolving power. The perfect optical
>system would not reduce the contrast of a subject as recorded on film.
>However, since there are always residual aberrations, a reduction in
>contrast in unavoidable. The MTF graphs indicate how much the lens
>reduces the contrast."
>
>"indicate" = "address" ?
OK, thanks, Green. As always, a lot to learn. Now I have to figure
out how they address contrast, AND bokeh!
Ken Durling
Website http://home.earthlink.net/~kdurling/
Alternate e-mail: [EMAIL PROTECTED]
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