In article <4h54gu$e9v@library.erc.clarkson.edu>, anairjp@clarkson.com says...
>Please help me...I have a Nikon 35 mm SLR camera that I bought used a
>couple of years ago. It is fully manual, except for shutter speed, >which is automatic. There are three settings, M90, B, and Auto, and >above the lens is the marking "AF".

And, almost certainly, a large white "EM" emblazoned on the prism
front....;-) The AF lens can be used on MF bodies - a nice Nikon
(and Pentax) feature.
Hope This Helps