In stock
Centration error: <3 arcmin
Clear aperture: >90%
Coatings: IBS
Diameter, mm: 25.4 mm (+0.0/-0.1 mm)
Edge thickness, mm: 2.0 mm (+/-0.1 mm)
Focus length: +75.0 mm (+/-3%) @633 nm
Material: UVFS (Suprasil 300)
Protective chamfers: <0.25 mm x 45°
S1: AR(R<0.1%)@1030 nm, AOI=0°
S2: AR(R<0.1%)@1030 nm, AOI=0°
S1 Flatness, PV: <λ/4@633 nm per CA
Surface irregularity, P-V, S2: <λ/4@633 nm per CA
Surface quality, S1/S2: 20/10 S/D (may be 40/20 S/D after coating)
Clear aperture: >90%
Coatings: IBS
Diameter, mm: 25.4 mm (+0.0/-0.1 mm)
Edge thickness, mm: 2.0 mm (+/-0.1 mm)
Focus length: +75.0 mm (+/-3%) @633 nm
Material: UVFS (Suprasil 300)
Protective chamfers: <0.25 mm x 45°
S1: AR(R<0.1%)@1030 nm, AOI=0°
S2: AR(R<0.1%)@1030 nm, AOI=0°
S1 Flatness, PV: <λ/4@633 nm per CA
Surface irregularity, P-V, S2: <λ/4@633 nm per CA
Surface quality, S1/S2: 20/10 S/D (may be 40/20 S/D after coating)
