9531563

Centration error: <3 arcmin
Clear Aperture: >90
Dimensions, mm: Ø25.4 (+0/-0.1)
S1 Flatness, PV IR S2 Flatness, PV: <λ/8 @ 632.8 nm
Material: BK7
Metallic coating: Protected Silver Ravg > 96% @ 550 nm - IR
Protective chamfers:
ROC S1, mm: -100
Surface quality, S-D: 40-20
Configuration: Plano-Concave
Wedge / Parallelism error: <1arcmin