9404280

Clear Aperture: 90% of diameter
Coatings:
Diameter, mm: 25,4 (+0/-0.1mm)
Material: BK7
S1: PR (Rsp = 6% +/-1%) @ 866 nm, AOI=45 deg
S2(wedge): AR (Rsp < 1%) @ 866 nm, AOI=45 deg
S1 Flatness, PV IR S2 Flatness, PV: L/8 @ 633 nm over clear aperture
Surface Quality: 20-10 S/D
Thickness, mm: 5 (+/-0.1mm)
Wedge / Parallelism error: 30 +/- 10 arcmin