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Re: [OM] Greenish viewfinder image - is this unusual?

Subject: Re: [OM] Greenish viewfinder image - is this unusual?
From: "W. J. Liles" <wliles@xxxxxxxxx>
Date: Sun, 12 Dec 1999 18:22:23 -0600
Chip Stratton wrote:

> > was not using it. I decided to take him up on his offer and that is when I
> > noticed a difference. The Olympus setup had a slight green cast that I
> > attributed to the lens coatings. Maybe it was not the lenses because the
> > cast was never evident in the resultant slides. There were differences
> > between the two to be sure, but a green color cast was not one of them.
> 
> Now that is interesting. Could be on early OM-PCs this was just a
> characteristic of the mirror they used. Since it doesn't affect exposures in
> any way, I should probably just ignore it, but it does offend somewhat my
> delicate sense of aesthetics, heh heh.
> 
>
If you have ever used a mirror partially "silvered" with gold you would
notice the transmitted light appeared green.  Could Olympus have used a
thin layer of gold as part of the "silvering" of the mirror resulting in
a faint greenish cast from a bit of double reflected light?

Jerry Liles


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