In stock
Center thickness, mm: 2
Centration error: <1 arcmin
Clear aperture: >90
Coatings: AR/AR@1020-1070 nm
Dimensions tolerance, mm: (+0/-0.15)
Dimensions, mm: 12.7
Edge thickness, mm: 4
Focal length, mm: -20
Material: BK7
Protective chamfers: 0.1-0.3 mm x 45°
ROC S1, mm: -10.08
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Surface quality, S-D: 40-20
Centration error: <1 arcmin
Clear aperture: >90
Coatings: AR/AR@1020-1070 nm
Dimensions tolerance, mm: (+0/-0.15)
Dimensions, mm: 12.7
Edge thickness, mm: 4
Focal length, mm: -20
Material: BK7
Protective chamfers: 0.1-0.3 mm x 45°
ROC S1, mm: -10.08
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Surface quality, S-D: 40-20
