Archived posting to the Leica Users Group, 2000/08/08
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Why didn't I think about "asking" Ansel? Thanks for finding the info from A.A. Ed On Mon, 7 Aug 2000, Mark Rabiner wrote: > We're all joking about this but I pulled out my Ansel Adams: The Negative Basic > Photo Two 5th printing. > > "Actually, flare may sometimes be used advantageously. There is no question in > my mind that coated and uncoated lenses yield different image qualities. If an > "uncoated" effect is desired with a coated lens, a neutral-density filter, or a > piece (or pieces) of optically plane (sic?) glass may be placed before the lens. > The uncoated surfaces of these Glasses will produce reflection and scattering of > light, and therefore slightly reduce the contrast of the image. Of course, it > must be thoroughly understood that the addition of such elements to the optical > system will reduce definition." > > Mark Rabiner >