9340144

Clear Aperture: >90
Coatings:
Dimensions, mm: Ø25.4(+0/-0.1)
S1 Flatness, PV IR S2 Flatness, PV: <λ/8 @ 632.8 nm
Material: UVFS (Viosil SQ)
Protective chamfers: <0.3 mm x 45°
S1: HR (R>99.9%) @ 1020-1100 + HTsp (T>97%) @ 900-980 nm, AOI = 22.5°
S2: AR (R<0.5%) @ 900-1000nm, AOI = 22.5°
Surface quality, S-D: 20-10
Thickness, mm: 3 (+/-0)
Wedge / Parallelism error: <30 arcsec