Hi Greg:
> You can't change the coatings (in the case of MC) w/o redesigning the
> lens? Different glass types I understand, but I didn't think redesign
> was necessary in coating changes.
The multicoatings are formulated so that they match the coatings of the other
elements. It is an optical design and manufacturing balancing act and no
small feat. Hence, you can't replace an element in a single coated Zuiko with
a multicoated one. It has to be another single coated element.
Perhaps John H. might comment on how hard it is to get replacement elements
for single coated Zuikos.
Gary Reese
Las Vegas, NV
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