Hi John,
I was sort of pleased and sort of disappointed to learn from the archive
that your professional solution to 'foam eaten' prisms is the same as my
amateur solution. As you say, really careful, through cleaning off of
the damaged area works pretty well without resilvering.The angle of
reflection and index of refraction seem to be such that, instead of
seeing the inside of the top cover, you see a very slightly dimmer image
from the lens.
You've also said that Oly ran out of new prisms a long time ago. My
questions is whether they used the same prisms in other cameras. I've
heard the OM-xn prisms are different that M/OM-1, but haven't torn down
an OM-1n to see for sure. I also saw someone claim that OMG/20 prisms
fit OM-1s. I these or others in the 'amateur' line are compatable, does
the different top cover design mean no foam to eat the coating?
Any enlightenment on prism compatability?
Thanks,
Moose
John Hermanson wrote:
As with every M-1 I see, this one needs atleast a new prism "black stuff
visible in the bottom of the viewfinder".
_________________________________
John Hermanson
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