> I believe there was a non-coated version of
> the L37C (L37), and some other filters. The
> coated filters were distinguished by the "C"
> code.
Yep. You used to have to pay extra for the coating. Now
you get it for free! ;O)
My old 500mm mirror came from Nikon with an uncoated
L37 on it.
-Don
