Robert Monaghan wrote in article <5vprrd$pi9@post.cis.smu.edu>...

> For a nice discussion, see Fred Whitlock's (of Worldphoto) article at
> http://www.worldphoto.com/nikkor.htm titled Nikkor Lenses AI, AIS, And AI'd
> What Are The Differences?
>
> There are also lots of good NIKON sites on the net, such as
> http://www.island.liu.se/~i96henel/nikon/slemn5a.htm which is a popular
> SUBJECTIVE Lens Evaluations (Mostly Nikkors), version 5a article by D.
> Ruether that I have found interesting too
>
> The key issue is whether you are happy with your lenses and the photos
> they produce, if not - lots to choose from with the Nikon line ;-)
>
> enjoy! - bob monaghan

There is a later version of "SUBJECTIVE Lens Evaluations (Mostly Nikkors)"
on my web site (a few more lenses added, and a few evaluations rethought...)
under "I babble"...;-)
Hope This Helps
David Ruether - http://www.fcinet.com/ruether