SN0R11 16.25" f/4.8 (0.9" Fused Silica)
Obsidian Optics Bench Test
Comments: SN0R11 (Refigure) 16.25" f/4.8		
Optical diameter: 16.1"	 	Substrate: Fused Silica
Focal length: 77.63"		Thickness:  0.9"

Mirror wavefront error < .04 wave PV across both diameters 

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

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