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half mirror

Posted: Sat Apr 20, 2024 7:05 pm
by iconoclastica
A week ago I got a Nikon epi-illuminator which I would like to put to use. Only the mirror is broken. Now I globally know this was a half transparent mirror, but what is the technical name for it I'd be looking for when searching for a replacement? I get confused by all the laser optics stuff..

Re: half mirror

Posted: Sat Apr 20, 2024 7:29 pm
by Hobbyst46
Assuming you refer to the flat mirror installed at an angle of 45 degrees above the nosepiece: it is a 50/50 beam splitter.

Re: half mirror

Posted: Sat Apr 20, 2024 8:05 pm
by iconoclastica
Excellent, now I am getting proper search results. I see the prices vary manyfold. Are there quality issues I ought to be aware of?