Diameter: 25.4+0/-0.1 mm
Thickness: 5±0.2 mm
Clear Aperture: >80%
Thickness: 5±0.2 mm
Clear Aperture: >80%
S1: Surface Flatness: λ/10 @ 633 nm
Surface Quality: 60-40
Coating Type: VIS Enhanced Aluminum
Ravg > 93% from 450 to 750nm
Ravg > 93% from 450 to 750nm
S2: Ground