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Foucault Knife-edge Telescope Primary Mirror Tester with Holder - Works Great For Sale


Foucault Knife-edge Telescope Primary Mirror Tester with Holder - Works Great



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Foucault Knife-edge Telescope Primary Mirror Tester with Holder - Works Great:
$50.00




Foucault Knife-edge Telescope Primary Mirror Tester with Holder
The Foucault knife-edge test is an optical test to accurately measure the shape of concave curved mirrors. It is commonly used by amateur telescope makers for figuring primary mirrors in reflecting telescopes. It uses a relatively simple, inexpensive apparatus compared to other testing techniques.
We found this very handy mirror tester in our warehouse. As you can see in the photos, it is handmade.The owner has used it many times to test mirrors up to 12". "Works great"!
Please contact us thru ebay if you have any questions.Price includes USA shipping (48 states)
We ship promptly, usually the same day - check out our feedbackThanks!


inkfrog terapeak
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