So, how important is MC really, to an hobbist?
Darin.
----- Original Message -----
From: "Chuck Norcutt" <chucknorcutt@xxxxxxxxxxx>
To: <olympus@xxxxxxxxxx>
Sent: Tuesday, June 07, 2005 4:24 AM
Subject: [OM] Re: Initials before Zuiko?
> Hi Darin,
> These responses are from The Olympus OM SLR FAQ at:
> <http://brashear.phys.appstate.edu/lhawkins/photo/olympus.faq.html>
>
> L3) What does the designation E.Zuiko mean? How about S-Zuiko?
>
> Early Olympus lenses have a letter designation before the word
> Zuiko which corresponds to the number of elements in the
> lens. Thus, an E.Zuiko has 5 elements, an F.Zuiko 6 elements,
> a G.Zuiko 7 elements, and so on. This designation was dropped
> sometime in the late 1970's or early 1980's (anyone know exactly
> when?) On the other hand, S-Zuiko denotes Olympus' "economy"
> line of lenses. Auto-S, Auto-W, and Auto-T stand for standard,
> wide, and telephoto lenses respectively, while Auto-Zoom
> denotes a zoom lens, and Auto-Macro denotes a macro lens
> that must be used with either the bellows or telescoping auto
> extension tube.
>
> L4) What does MC mean? How can I tell if I have a multicoated lens?
>
> Many early Zuiko lenses were single coated. Those that were
> multicoated were denoted by the MC logo, until most of the lens
> line was multicoated. Then the MC logo was dropped. It is
> generally agreed that the presence of any green reflection, no
> matter how faint, is evidence of multicoating, while predominatly
> yellow reflections denotes single coating. Zuikos with the
> G.Zuiko type designation are more likely to be single coated.
>
>
> Some here will probably argue whether the presence of green is a
> definitive indication of multicoating. Another point not mentioned here
> is that multicoating evolved over the years. Early lenses may, perhaps,
> be multicoated on only a few elements and not so marked. When
> multicoating became a marketing issue the lenses were marked "MC".
> Later, when almost everything was multicoated the markings were dropped.
>
> Chuck Norcutt
>
>
>
> Darin Rhein wrote:
>
>> Hello all,
>>
>> Can anyone tell me what these initials; ie, E. Zuiko, F. Zuiko, G. Zuiko
>> mean?
>> I've been curious about this for a while, but I haven't had the guts to
>> ask.
>>
>> Also, are all multi-coated Zuiko lenses marked MC?
>
>
>
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