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Home > Classifieds > Astromart Classifieds > Telescope Making > Classified #153269

For Sale: 9.25" F0.5? mirror

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this is a extremely short FL mirror that came from an optics research facility. The glass is Astrositall, Zerodur, or some other zero expansion material. It is about 9.25" in diameter and the aluminized surface about 9" in diameter. The optic is about 2.5" thick and has a step cut into it as you can see in the picture. There are some surface scratches in one area of the aluminum (see picture) that do not penetrate to the glass. If someone could use this optic, I'll offer it for $30 plus shipping or best offer plus shipping CONUS. Or what have you to trade?? Thanks for looking.........Neil

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