Dave B. asks:
<< When did it [21mm f/3.5 Zuiko] change to a Multi-Coated version (if
there was one?). The February 1982 Zuiko Lens Group brochure shows a
G.Zuiko version while the other super wide angles are all 'MC'. >>
It was first referenced as becoming an MC lens in the December 1981 OM-1
instruction manual. It's coating probably "improved" upon dropping the
MC and just calling it "Zuiko." Like the 24mm f/2.8, which changed at
the same time, there are many more used examples of the 21mm f/3.5 as SC
lenses than either MC version.
Gary Reese
Las Vegas, NV
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