Telescope Secondary Mirror 4.50" - Fused Quartz Substrate x 1.0" thick with Enhanced aluminum coatings. Condition is New with no chips, dings or scratches. Shipped via UPS or Fed Ex (my choice) ground for free in lower 48 States. Will ship overseas but $35.00 will be added for International shipping.No test data is provided, the ZYGO interferogram picture provided is that of the optic being offered for sale.
Filed under: Eyepieces & Accessories