As I recall, the fast wide angles (21/2, 24/2, 28/2, 35/2) were always MC.
Type 1 & 2 of 50/1.8 were SC, The last 3 versions of the 50/1.8 (type 3, 4,
5) were MC. Type 3 & 4 shared all the same parts except element group 2nd
from the rear. Type 3 would have MC on the front name ring. Type 4 & 5 were
MC without any MC marking. Reflections in the front element of MC lenses
would be a purplish green in color.
John Hermanson
Camtech Photo Services, Inc.
21 South Lane, Huntington, NY 11743
omtech@xxxxxxxxx | www.zuiko.com
Factory Trained OM Service since 1977
__________________________________
----- Original Message -----
From: "Darin Rhein" <d.rhein@xxxxxxxxxxx>
To: "OM List" <olympus@xxxxxxxxxx>
Sent: Tuesday, June 07, 2005 7:06 AM
Subject: [OM] Re: Initials before Zuiko?
>
>>> Can anyone tell me what these initials; ie, E. Zuiko, F.
>>> Zuiko, G. Zuiko mean?
>>
>> This tells you the number of elements in the lens:
>>
>> E = 5
>> F = 6
>> G = 7
>>
> Thanks Wayne, I know they had to mean something.
>>>
>>> Also, are all multi-coated Zuiko lenses marked MC?
>>
>> No, several lenses were MC from the very beginning and weren't marked as
>> such, others were SC originally and when the lens was then made as MC
>> they
>> were marked as such, later on the MC designation was dropped when just
>> about
>> every lens was MC.
>
> So is there an easy way to tell the difference on an unmarked lens?
>
> Darin.
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