CUSTOMIZED
Material: UVFS (C7980 0F)
Diameter: 25.4 mm +0/-0.1 mm
Thickness: 3.0 mm +/-0.1 mm
Clear aperture: min 22.8 mm
Surface quality, S1/S2: 20-10 S-D over CA
Transmitted WFD, S1/S2: <λ/10 @ 633 nm over CA
Parallelism: <30 arcsec
Protective chamfers: 0.2-0.4 mm x 45 deg
Coatings (IBS):
S1 (arrow marks): 2%