Mike W. asks:
<< Looking at the (not yet updated) single-coat/multi-coat lens survey,
SN 1061791 reads Zuiko MC whereas the next one listed (SN 1101300) only
says Zuiko. Could it be possible that the wording change took place at
the time of the MC formulation changeover? >>
Yes, exactly that. But, I'm afraid that has already been discussed on
the OM List. The break point is 1,100,000. Now, folks need to
determine how many different formulations there were of the partially
multicoated versions beginning at about 770,000 and going up to about
1,100,000.
Gary Reese
Las Vegas, NV
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