SN0411 14" f/4.75 (1.21" plate)
Obsidian Optics Bench Test
Comments: SN0411 14" Miller f/4.75 Date: 9/6/04
Optical diameter: 13.94" Substrate: FA Plate
Radius of curvature: 133.63" Thickness: 1.21"
Mirror wavefront error < 1/12th wave PV across both diameters
Polish, smoothness, diffraction edge, and figure of revolution all excellent
|