9371577

Clear aperture: >90
Dimensions tolerance, mm: +0/-0.2
Dimensions, mm: 20
Material: BK7
S1 Flatness, PV: <λ/8 @ 632.8 nm
S1 Surface quality, S-D: 10-5
S2 Flatness, PV: <λ/8 @ 632.8 nm
S2 Surface quality, S-D: 10-5
Thickness, mm: 5
Wedge / Parallelism error: <30 arcsec