Jim Townsend wrote:
I've been an EOS user since 1994 and have *no* experience with Nikkor
lenses :-) I know that the aperture of EOS lenses can only be
changed electronically by the camera. There is no way of doing it
manually. I was assuming the same was true for Nikkors.

Depends on the type. Only G-type lenses don't have an aperture ring any
longer and therefore need a compatible camera to change the aperture
electronically from the camera.
For all others you can set the aperture manually using the ring on the lens.

jue