In stock
AR coatings: uncoated
Center thickness, mm: 47
Centration error: <3 arcmin
Clear aperture: >90
Dimensions, mm: 299
Edge thickness, mm: 4
Focal length tolerance, %: ±3
Material: BK7
ROC S1, mm: +430
ROC S2, mm: +710
S1 Flatness, PV IR S2 Flatness, PV: <λ/2 @ 632.8 nm
Surface quality, S-D: 60-40
Center thickness, mm: 47
Centration error: <3 arcmin
Clear aperture: >90
Dimensions, mm: 299
Edge thickness, mm: 4
Focal length tolerance, %: ±3
Material: BK7
ROC S1, mm: +430
ROC S2, mm: +710
S1 Flatness, PV IR S2 Flatness, PV: <λ/2 @ 632.8 nm
Surface quality, S-D: 60-40
