Hi--

>Yes, indeed this helps. I had been strongly leaning toward the Nikkor 20
>and this only confirms that this is the lens to go with. I also understand
>that aside from really sharp optics the Nikkor has a floating element in it
>which enables it to render very sharp both close and distant portions of the
>image. And what is the value of a super-wide if that is not possible?
>Thanks for your reply. The Nikkor 20 f2.8 it will be.
>
>Dwayne dwayne@holycow.mdn.com (Dwayne P. Daehler)

What, indeed...?! ;-) You're welcome! (BTW, check your 20mm f2.8
when it arrives - they vary a little, but a good sample should be
equally sharp in all four corners at f5.6 or so [shoot 4 frames
of the same distant subject with it in each successive corner -
being careful not to disturb the {manually-set} focus from frame
to frame] - check the corners of the negative or slide with a 8-10X
magnifier to see if they look the same, and good.) And then have
fun with it! (BTW, I find a carefully placed hand more useful than
a shade with this lens.)
David Ruether