Hi, All!
My friend is going to step into Zuiko land.
In the very beginning he's asked me about
50/1,8 standards.
Considering construction there're probably
at least two versions 6 elements/5 groups versus
6 elements/4 groups (both were multicoated).
He's particularly interested how you can
diferentiate them. Are there any symbols
or additional letters on a lens or number
range tells about it ?
Could somebody drop some lines
on the "problem"?
Any comments are very appreciated.
Zbigniew, Poland
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