Originally Posted by perplex
I accidently ordered a 50mm AI instead of AF. Has anyone used the AI on D50/D70 manual focus? Maybe I can return it
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Nope, it won't meter; see below and get the AI-P pancake lens!
Originally Posted by perplex
Has anyone ever used the 50mm f1.4 AI? is it just as sharp as the AF version?
I have owned it over 20 years ago with a F3HP; it was extremely sharp.
There seem to be some confusion about older lens compatibility on newer DSLRs. In general, any lens with a CPU will meter on the Nikon DSLRs D50, D70, D80, D100. AF, D, AI-P, DX all have CPUs will meter:
The D200, D2h, D2x add spot and center weighted metering, as well as the ability to enter lens info for EXIF data for non-CPU lenses.
Also,
Here is the DSLR Summary Chart. Good luck and keep buying those CPU lenses!