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Re: [OM] 50f/1.4 breakpoint

Subject: Re: [OM] 50f/1.4 breakpoint
From: "John A. Lind" <jlind@xxxxxxxxxxx>
Date: Tue, 15 May 2001 18:58:07 +0000
Yes, all the focal lengths that survived an ultimate decision to make everything multi-coated. It occurred over a period of time. Some lenses, such as the 300/4.5 were converted from SC to MC. Other lenses such as the 55/1.2 and 28/3.5 were dropped entirely.

-- John

At 23:00 5/15/01, you wrote:
Is that "all" as in all focal lengths?
Bruce Kolber
St. Petersburg, FL  33715
USA
----- Original Message -----
From: "John A. Lind" <jlind@xxxxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Tuesday, May 15, 2001 2:03 PM
Subject: Re: [OM] 50f/1.4 breakpoint


> At 21:43 5/15/01, Bruce Kolber wrote:
> >I would think so and adds to the likelihood that the MC label (or lack of
> >it) on the bezel is not related to the breakpoint...I think we will
> >eventually find that there are both early and late varities of the
coatings
> >within the same range of serials......in other words, there probably was
no
> >breakpoint.....just a fairly large duration of breakin depending on the
line
> >or lines of manufacture.
> >Bruce Kolber
> >St. Petersburg, FL  33715
> >USA
>
> As I understand it, the dropping of the "MC" marking is related to when
> _all_ of the single coated lenses were dropped from production.  If all
the
> lenses are multi-coated, it obviates the need for an "MC" marking.
>
> -- John
>
>
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