SN0R12 12.2" f/4.9 (1.5" Pyrex)
Obsidian Optics Bench Test
Comments: SN0R12 12.2" f/4.9 Date: 10-20-06
Optical diameter: 12.01" Substrate: Pyrex
Focal length: 58.8" Thickness: 1.48"
Mirror wavefront error < .05 wave PV across both diameters
Polish, smoothness, diffraction edge, and figure of revolution all excellent
|