Out of stock
AR coatings: uncoated
Center thickness, mm: <2
Centration error: <3 arcmin
Clear aperture: >90
Dimensions, mm: 12.5
Edge thickness, mm: 2.50
Focal length tolerance, %: ±2
Focal length, mm: -50
Material: CaF2
ROC S1, mm: -21.57
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Surface quality, S-D: 60-40
Center thickness, mm: <2
Centration error: <3 arcmin
Clear aperture: >90
Dimensions, mm: 12.5
Edge thickness, mm: 2.50
Focal length tolerance, %: ±2
Focal length, mm: -50
Material: CaF2
ROC S1, mm: -21.57
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Surface quality, S-D: 60-40
