In article ...chipk@crocker.com (Chip Kaye) wrote:

>> The focusing screen on my Nikon 'F' is dirty/smudged and I was >> wondering
>> if there is a good solvent for cleaning it. It's the plastic/resin
>> underside that needs to be cleaned and I know you have to be very
>> careful not to damage it. email me with any advice. Thanks.

Nikon screens are relatively cheap - if you mess up the F screen,
buy a new F3 screen, and (carefully!) switch the "glass" between
the frames. Try windex on Q-Tips LIGHTLY for cleaning a screen
that has oil on it.
Hope This Helps