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Re: [OM] OM1 Viewfinder Black Cloud

Subject: Re: [OM] OM1 Viewfinder Black Cloud
From: Jim Brokaw <jbrokaw@xxxxxxxxxxx>
Date: Sat, 21 Jul 2001 17:29:41 -0700
on 7/20/01 9:17 AM, clintonr@xxxxxxxxxxxxxxxx at clintonr@xxxxxxxxxxxxxxxx
wrote:

> Never tried it, but who knows....  The problem would be that only portions of
> the
> prism surface are mirrored -- the bottom and part of the rear are exposed
> glass.
> 
> Jim Brokaw wrote:
> 
>>> 
>> Could you pull a prism out and have it silvered at a mirror-reslivering
>> service? Astronomers resilver the big mirrors (even doing it in-place) on
>> the telescopes... seems to me this could be done for a price. Depending on
>> that price and how difficult replacement new prisms are to find it might be
>> worth it... and in the future it might be the only way to fix the problem.
>> --
>> 
>> Jim Brokaw
>> OM-1's, -2's, -4's, (no -3's yet) and no OM-oney...
>> 

I think they maybe could mask off part of it. You would need to cover the
bottom (focus screen face) and finder window face. I don't know if they do
this by submerging it in some kind of chemical bath, but I have seen glass
with mirror selectively applied in patterns, so it can be done. The cost
efficiency remains to be determined...
-- 

Jim Brokaw
OM-1's, -2's, -4's, (no -3's yet) and no OM-oney... 


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