In stock
Angle: 57.7 deg
AR coatings: uncoated
Clear aperture: >80
Dimensions A x L, mm: 20,72 x 20.72
Dimensions tolerance, mm: +0/-0.2
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Material: N-SF57
Pyramidal error: >3 arcmin
Protective chamfers: 0.2-0.4 mm x 45°
Surface quality, S-D: 40-20
AR coatings: uncoated
Clear aperture: >80
Dimensions A x L, mm: 20,72 x 20.72
Dimensions tolerance, mm: +0/-0.2
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Material: N-SF57
Pyramidal error: >3 arcmin
Protective chamfers: 0.2-0.4 mm x 45°
Surface quality, S-D: 40-20
