SN0355 16" f/5.0 (1.21" Pyrex)
Obsidian Optics Bench Test
Comments: SN0355 16" f/5.0          Test date: 08-01-05
Optical diameter: 15.95"            Substrate: Pyrex
Focal length: 80.19"                Thickness:  1.21" 

Mirror wavefront error < .03 wave P-V across both diameters 

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

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