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Home > Classifieds > Astromart Classifieds > Telescope Making > Classified #190496

For Sale: RARE: two 4.25 Cervit Mirror Blanks. SOLD

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I have 2 full thickness 4 1/4" Cervit mirror blanks. These are the ultimate ultra-low thermal expansion substrate for the ultimate mirror. Zerodur (the equivalent) costs about $100 - $150 per blank... That is a combined value of $200 - $300. I would like to get a REASONABLE offer for one or both of them.

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