SN018Q 14.45" f/4.55 (.77" Quartz)
Obsidian Optics Bench Test
Comments: SN018Q 14.45" f/4.55      Test Date: 5-17-06
Optical diameter: 14.3"             Substrate: Fused Silica
Focal length: 65.75"                Thickness: 0.77" 

Mirror wavefront error < .04 wave PV across both diameters

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

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