In stock
Parallelism error: <30 arcsec
Thickness, mm: 2 (±0.2)
Surface quality (both sides): ISO 5/ 2 x 0.025
Clear aperture: >90 %
Material: UVFS (Corning 7979 IR grade)
S1 Flatness, PV IR S2 Flatness, PV: <λ/10 @ 632.8 nm per 90% CA (ISO 3/ 0.2(0.2))
Diameter, mm: 18 (+0.05/-0.2)
Protective chamfers: 0.1 mm x 45°
Thickness, mm: 2 (±0.2)
Surface quality (both sides): ISO 5/ 2 x 0.025
Clear aperture: >90 %
Material: UVFS (Corning 7979 IR grade)
S1 Flatness, PV IR S2 Flatness, PV: <λ/10 @ 632.8 nm per 90% CA (ISO 3/ 0.2(0.2))
Diameter, mm: 18 (+0.05/-0.2)
Protective chamfers: 0.1 mm x 45°
