PCACala@xxxxxxx wrote:
>
> To address some misconceptions:
>
> << Back in 1972 when Olympus designed the Zuiko lens system, there was no ED
> glass. >>
>
> Correct me if I'm wrong, but Canon was marketing man-made Fluorite lenses way
> before that. Isn't that an extra low dispersion (ED) "glass?"
Same function, but it is a crystal.
> The 24mm f/2.0, 28mm f/2.0 and 35mm f/2.0 WERE part
> of the 1-1974 initial products release, although Olympus didn't MENTION
> multicoating of them in internal product literature till 1-1978.
My Olympus books mention MC on the lenses since 1977 (oldest edition I
have, probably they did also on earlier editions).
Richard
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