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[OM] Re: Site for determining if an OM lens is single of multi coated

Subject: [OM] Re: Site for determining if an OM lens is single of multi coated
From: "Jeff Keller" <jeffreyrkeller@xxxxxxxxx>
Date: Thu, 9 Nov 2006 15:07:27 -0800
I believe all of the 50/3.5 lenses just say ZUIKO even if silver
nosed. I don't think mine is labeled MC. I believe I sold one of these
and not being sure it was MC asked the list. The consensus was that it
was more or less SC

The earliest 20/3.5 & 38/3.5 were likely SC but in general it appears
that the bellows lenses are MC even if labeled simply ZUIKO.

The earliest 16mm were thought to be SC but I believe always labeled just Zuiko

so ... most lenses labeled just ZUIKO are MC but probably not all.

Some lenses like the 35mm f2.8 restarted the serial no. sequence
apparently both when going from M-System to OM and or when going from
silver nosed to black nosed MC.

Keep in mind many lenses dropped the MC label after being labeled MC.

-jeff


On 11/9/06, Moose <olymoose@xxxxxxxxx> wrote:
> R S wrote:
> > I had this site bookmarked where you could look up a lens serial number to
> > see if the lens was single- or multi coated but I've seem to have lost it.
> > Does anyone know the site URL?
> >
> Your best central URL for this kind of stuff is R. Lee Hawkins site,
> which references three multicoating links
> <http://brashear.phys.appstate.edu/lhawkins/photo/photo.shtml>.
>
> There are a few obvious errors in the tables.
>
> Its really simpler than that, though; you don't need serial numbers for
> most lenses. All prime lenses other than macro lenses are SC if a letter
> and dot/period precede the name "ZUIKO" and whether there is a "MC"
> designation or not
>
> So a "G.ZUIKO" 50/1.4 is SC and a "ZUIKO" 50/1.4 is always MC. The
> STYLING change from sliver nose to black nose happened at about the same
> time as the SC to MC switch, so folks often confuse the two. However,
> the nose color proves nothing while the only way the preceding letter
> indicator can be wrong is when the lens front ring has been changes, as
> in a repair.
>
> The 75-150 zoom is SC, and all others are MC.
>
> The F2 macros are MC and all others are marked on the front ring if MC.
>
> Moose

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