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Crescent Moon 9/2/2019

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17.5 inch mirror and secondary mirror

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Less expensive than buying a blank and grinding it, and this mirror is ready to use out of the box. Coatings are in good shape on both mirrors. Main mirror is a 17.5 inch f/4.57, 1.5 inch thickness mirror. The secondary mirror is a 3 inch mirror. I have no specs on these as they were pulled out of an older homemade scope. U.S.inquiries only. Will split Paypal fees.