Alan Clayton , Sep 09, 2006; 06:13 p.m.
Just an few hours ago I was using a manual focus Nikkor 300mm/f4 AIS on my D70 (for moonrise shots). No problem, except metering is not possible with old lenses like this (I used a separate spot meter). Focussing was a bit vague though.
It is a reasonable assumption that a Sigma N-AI lens will work satisfactorily (unless someone shouts otherwise). Don't know about the flash. AC