Telescope Secondary Mirror 3.1 inch For Sale
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Telescope Secondary Mirror 3.1 inch:
$139
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: 3.10" (79mm)
Coating: The 96-98% enhanced aluminum coating
Wavefront PV: 1/10 Lambda or better
