9421232

Clear aperture: >90
Dimensions, mm: 25.4
Material: Sapphire
S1 Flatness, PV: <λ/2 @ 632.8 nm
S1 Surface quality, S-D: 40-20
S2 Flatness, PV: <λ/2 @ 632.8 nm
S2 Surface quality, S-D: 40-20
Thickness, mm: 4
Wedge / Parallelism error: <5 arcmin