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This listing has ended. The seller has relisted this item or one like this. Item:Telescope Secondary Mirror 1.89 inch |
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| All our secondary mirrors are made of BK7 optical glass, manufactured to an ultra accuracy to be Wave PV 1/10 lambda or better, and are coated with the 98% enhanced aluminum coating.
Minor Axis Diameter: 1.89" Coating: The 96-98% enhanced aluminum coating Wavefront PV: 1/10 Lambda or better |
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