In stock
S2: AR(R<0.5%)@ 3500 nm
Material: CaF2
Surface irregul arity, PV: <λ/4 @ 632.8 nm
S1: AR(R<0.5%)@ 3500 nm
Protective chamfers: <0.25 mm x 45°
Edge thickness, m m: 2 (±0.1)
Dimensions, m m: Ø12.7 (+0/-0.1)
Wavelength, nm: 3500
Coatings:
Clear Aperture: >90
Centration error: <3 arcmin
Surface quality, S-D: 40-20
Focal length, mm: +25 ±1%
Material: CaF2
Surface irregul arity, PV: <λ/4 @ 632.8 nm
S1: AR(R<0.5%)@ 3500 nm
Protective chamfers: <0.25 mm x 45°
Edge thickness, m m: 2 (±0.1)
Dimensions, m m: Ø12.7 (+0/-0.1)
Wavelength, nm: 3500
Coatings:
Clear Aperture: >90
Centration error: <3 arcmin
Surface quality, S-D: 40-20
Focal length, mm: +25 ±1%
