9591189

Focal length, mm: F=+60 (±3%)
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 633nm
S1/S2 Surface quality, S-D: 10-5
ROC S1, mm: ROC=+27.4
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 633 nm
Material: FS (Suprasil 300)
Dimensions, mm: Ø12.7 (+0/-0.1)
Clear Aperture: >90
Centration error: <3 arcmin
Center thickness, mm: 2.7
Edge thickness, mm: 2.0 (±0.1)
Protective chamfers: <0.3 mm x 45°