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Re: [OM] OM 100/2.8 question

Subject: Re: [OM] OM 100/2.8 question
From: Paul Braun <pbraun42@xxxxxxxxx>
Date: Thu, 26 Sep 2013 11:29:48 -0500
On Thu, Sep 26, 2013 at 11:19 AM, Ken Norton <ken@xxxxxxxxxxx> wrote:

> Until the mid '80s, they were silvernosed. The coatings did change
> through the production run, and the final ones before black-nose had
> all but the green reflection. The later, black-nosed ones are fully
> multi-coated.
>
> As with the 50mm lenses, there was some optical changes through the
> years too. The earlier ones tended to be sharper in the center with a
> loss of sharpness in the corners. The later ones sharpened up the
> corners, but the center isn't quite as sharp. The later ones have a
> near uniform sharpness across the entire image area.
>
> As to the overall sharpness quality of the 100/2.8, my particular
> sample, which is the immediate precurser to the blacknosed version, is
> as sharp as the 100/2.
>
>
Gotcha.  So I need to do some inquiries before bidding.  Is there a chart
somewhere that shows the breakdown of "era" by SN?

-- 

Paul Braun
Music Junkie

"Music washes from the soul the dust of everyday life." -- Harlan Howard
-- 
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