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Re: [OM] Separated Zuiko 250/2, was: Inside the Zuiko 300mm F4.5

Subject: Re: [OM] Separated Zuiko 250/2, was: Inside the Zuiko 300mm F4.5
From: John Hermanson <omtech1@xxxxxxxxxxx>
Date: Thu, 12 Nov 2009 09:11:13 -0500
I don't think impact is an issue.
___________________________________
John Hermanson  |   CPS, Inc.
21 South Ln., Huntington NY 11743
631-424-2121  |  www.zuiko.com
Olympus OM Service since 1977
Gallery: www.zuiko.com/album/index.html


Ken Norton wrote:
>> A lot of 75-150 have a separated element.  65-200 / 50-250 have frosted
>> element in the back. One of the lenses in the Olympus collection was a
>> 65-200, oh cool, perfect on the outside, DOH frosted element.
>>
> 
> 
> I had a 200/4 that broke one element and frosted up another.
> 
> Does impact have anything to do with it?  I always thought the frosting was
> a result of cemented elements separating.
> 
> AG
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