(I have been away for a week, and am about a week behind with the digests; I
hope that I am not repeating what someone else has already pointed out....)
------ Original message ------
> Date: Thu, 21 Aug 2003 10:35:51 -0400
> From: Pschings@xxxxxxx
> Subject: [OM] MC vs SC
> 3. Lenses marked just "Zuiko" with no leading character are MC. I think
> this is a pretty reliable indicator
I purchased my silver-nose 75-150mm zoom (serial number 133xxx) new in 1975.
It is marked plain "ZUIKO", not "O.ZUIKO" (letter "O" denoting 15 elements).
It does not show the pale green reflection that is common to multicoated
lenses. I think that it is single coated. (Since it was purchased new, we
can rule out the possibility that the front retaining ring was changed from
one saying "O.ZUIKO" to one saying "ZUIKO".)
> 6. I've also never seen a Zuiko that didn't have green reflections and was
> MC.
I have three 50mm f1.4 lenses:
-- 829xxx was purchased used and is marked "ZUIKO MC"; it DOES show the
pale-green reflection.
-- 900xxx was purchased new and is also marked "ZUIKO MC", but it DOES NOT
show the pale-green reflection. (Since it was purchased new, we can rule
out the possibility that the front retaining ring was changed from one
saying "G.ZUIKO" to one saying "ZUIKO MC".)
-- 1144xxx was purchased used and is marked "ZUIKO"; it DOES show the
pale-green reflection.
I also have two 50mm f1.8 lenses:
-- 1914xxx was purchased new and is marked "ZUIKO MC"; it has a BLUE
reflection. (This lens is one third of a "MIJ" -- it says "JAPAN" but not
"MADE IN"; it also has a sticky diaphragm.)
-- 5648xxx was purchased used and is marked "ZUIKO"; it MAY have a
very-slight green reflection, but it is much less pronounced than other MC
lenses, and some might classify it as "no green". In fact, I was originally
going to classify it as "no green", but decided that one of the reflections
sometimes has the merest hint of green, so I gave it the benefit of the
doubt. (This one is a "MIJ".)
-- from Cy in the UK
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