>If it is a silver ringed front, it is single coated. If it is F.Zuiko Auto-T
>(or some other letter befor the Zuiko) it is single coated. If it has the
>letters MC, it is multicoated. If it has none of these, it is multicoated.
>Silver ring was an early lens. My 200 f5 is silver ringed.
I wonder if the 100/2.8 just might be an exception to the "rules" here. I
have a silver-nosed, non-MC marked lens that doesn't have any of the normal
SC reflections, but has many of the normal MC reflections. Its serial
number of 1306xx tells me that it is not a "new" lens by any means, but the
silver nose and without MC markings it would have to be earlier than when
the MC lenses took over. I wonder if Olympus had slipstreamed coating
improvements into the line before the marketing department had a chance to
get their slimy fingers involved.
Regardless, all of my SC lenses are extremely fine performers and have
earned their keep many times over. Not sure I could say the same of all of
my other optics (both SC and MC).
I think the 100/2.8 is a super lens in any incarnation and probably the
finest 100/2.8 ever made by any manufacturer. I know that the Canon and
Nikon lenses don't exhibit the same bokah type characteristics as the Zuiko
and they are twice the size and weight too.
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