9404080

Clear aperture: >90
Dimensions tolerance, mm: (+0/-0.1)
Dimensions, mm: 71.84 x 50.8
Material: UVFS (Corning 7980 0F)
Protective chamfers: 0.2-0.4 mm x 45°
S1 Flatness, PV: <λ/10 @ 632.8 nm
S1 Surface quality, S-D: 10-5
S2 Flatness, PV: <λ/4 @ 632.8 nm
S2 Surface quality, S-D: 40-20
Thickness tolerance, mm: ±0.1
Thickness, mm: 12
Wedge / Parallelism error: <1 arcmin