9571027

S1 Flatness, PV IR S2 Flatness, PV: 0.2L at 633nm
Surface quality: 40-20 S-D
Material: N-BK7
Thickness, mm: 3.0+/-0.1mm
Diameter, mm: 12.7+0.0/-0.2mm
Coating: uncoated
Clear Aperture: >90%
Chamfer: < 0,25mm at 45deg
Parallelism error: <3arcmin