9571047

Material: KG3 or equivalent
Thickness, mm: 1.0+/-0.1mm
Surface quality: 40-20 S-D
Parallelism error: <3arcmin
S1 Flatness, PV IR S2 Flatness, PV: 0.2L at 633nm
Diameter, mm: 25.4+0.0/-0.2mm
Coating: uncoated
Chamfer: < 0,25mm at 45deg
Clear Aperture: >90%