In stock
Center thickness, mm: 5.5
Centration error: <3 arcmin
Clear aperture: >90
Dimensions tolerance, mm: (+0/-0.15)
Dimensions, mm: 50
Edge thickness, mm: 5
Focal length tolerance, %: ±3
Focal length, mm: +175
Material: BK7
ROC S1, mm: +180.71
ROC2, mm: +180.63
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Surface quality, S-D: 40-20
Centration error: <3 arcmin
Clear aperture: >90
Dimensions tolerance, mm: (+0/-0.15)
Dimensions, mm: 50
Edge thickness, mm: 5
Focal length tolerance, %: ±3
Focal length, mm: +175
Material: BK7
ROC S1, mm: +180.71
ROC2, mm: +180.63
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Surface quality, S-D: 40-20
