SN0209 10" f/5.5 (0.84" Plate)
Obsidian Optics Bench Test
Comments: SN0209 10" f/5.5		Date: 01-03-05
   Optical diameter: 9.86"		Substrate: Plate
Radius of curvature: 108.5"		Thickness:  0.835" 

Mirror wavefront error < 1/12th wave PV across both diameters 

Polish, smoothness, diffraction edge, and figure of revolution all excellent
 
 

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