In stock
Center thickness, mm: 3
Centration error: <3 arcmin
Clear aperture: >90
Coatings: uncoated
Dimensions tolerance, mm: (+0/-0.1)
Dimensions, mm: 25.4
Focal length tolerance, %: ±3
Focal length, mm: -100
Material: ZnSe
Protective chamfers: 0.1-0.3 mm x 45°
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Surface quality, S-D: 60-40
Thickness tolerance, mm: ±0.1
Centration error: <3 arcmin
Clear aperture: >90
Coatings: uncoated
Dimensions tolerance, mm: (+0/-0.1)
Dimensions, mm: 25.4
Focal length tolerance, %: ±3
Focal length, mm: -100
Material: ZnSe
Protective chamfers: 0.1-0.3 mm x 45°
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Surface quality, S-D: 60-40
Thickness tolerance, mm: ±0.1