9578637

Clear aperture: >90%
Diameter, mm: 25.4 mm
Material: BK7
S1: HR (Rs>99.5%, Rp>99.0%) @ 527-532nm. AOI=45°
S2: Uncoated
S1 Flatness, PV IR S2 Flatness, PV: <λ/8 @ 632.8 nm
Surface quality: 20-20 S-D
Thickness, mm: 6 mm