SN025Q 14.7" f/4.4 (0.78" Quartz)
Obsidian Optics Bench Test
Comments: SN025Q 14/7" f/4.4		Test Date: 7-9-08
Optical diameter: 14.61"		Substrate: Fused Silica
Focal length: 64.57"			Thickness: 0.772" 

Mirror wavefront error < .04 wave PV across both diameters 

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

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