AG1B wrote in message <348094e0.11290767@news1.ibm.net>...

>I know that most pre AF Nikkors can be used on most Nikons (except the
>N50 I think).


If AI'd, they can be used on the N50, though metering with them
may not be fun...;-)

>But is the "reverse" true.
>Can most AF nikkor be used on older Nikon bodies without damage to the
>lens or cpu contacts? Like the EM (the auto Nikon SLR I think).

Yes, no problem. And all metered non-AI Nikon bodies have
provision for stop-down metering with the prongless AF/E/P/I/S
lenses (with AI-MF and AF bodies, metering is done normally with
the newer-type lenses).
Hope This Helps
David Ruether - http://www.fcinet.com/ruether