In stock
Protective chamfers: <0.25 mm x 45°
Clear aperture: >90%
Transmitted WFD P-V: <λ/8 @ 633nm CA
Surface quality, S1-S2: 40-20
Parallelism error: <1 arcmin
Material: CaF2--------UV grade
Flatness, P-V: <λ/4 @ 633nm CA
Dimensions, mm: 20x40 mm (+0.0/-0.1 mm)
Thickness, mm: 5 mm (+/- 0.1 mm)
Clear aperture: >90%
Transmitted WFD P-V: <λ/8 @ 633nm CA
Surface quality, S1-S2: 40-20
Parallelism error: <1 arcmin
Material: CaF2--------UV grade
Flatness, P-V: <λ/4 @ 633nm CA
Dimensions, mm: 20x40 mm (+0.0/-0.1 mm)
Thickness, mm: 5 mm (+/- 0.1 mm)
