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Re: [OM] black flecks on lens

Subject: Re: [OM] black flecks on lens
From: John Hermanson <omtech@xxxxxxxxx>
Date: Tue, 24 Mar 1998 04:08:30 -0500
Black flecks inside lenses are often  the flaking of  black material off the
treaded portions of the lens tubes.  This black material is put on to reduce
internal reflections.

John

WKato wrote:

> In a message dated 98-03-24 01:39:55 EST, you (Bethany) write:
>
> << >Does this apply to internal elements as well?  On one of the lenses that
>  >comes with the cameras I'm considering purchasing (135mm f2.8), there's
>  >a small strange looking wrinkle on the second element (HA! I'm learning
>  >camera >>
>
> I looked at Olympus lens manual and it appears that there are no cemented
> elements so that would eliminated one problems (separation of elements).
>
> Warren Kato
>
>


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