SN015Q 12.5" f/4.96 (0.7" Fused Silica)
Obsidian Optics Bench Test
Comments: SN015Q 12.5" f/4.96		Test date: 10-15-05
Optical diameter: 12.44"		Substrate: Fused Silica
Focal length: 62.03"			Thickness: 0.7" 

Mirror wavefront error < .04 wave P-V across both diameters 

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

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