On Mon, 23 Nov 1998 16:41:37 GMT, d_ruether@hotmail.com (Neuman-Ruether) wrote:

>Actually, since the slide is not flat in the mount (glassless...),
>I generally get better results with Nikon 50mm f1.8 lenses
>(with extension, and possibly reversed...) than with the 55 macro
>(you can use the field curvature to advantage...). Small stops are
>required, though, with any lens for this (and possibly non-central
>focusing, to better average the DOF with unflat subjects...).

As Michael Covington pointed out in an e-mail, reversing the
slide may be adviseable when using a non-macro lens for
slide copying since the field curvature may go the wrong way
(I may have done this [I know I tried it], but it has been too
long since I did slide copying to remember...).