9550365

Centration error: <3 arcmin
Clear aperture: >90 %
Diameter, mm: 25.4 mm (+0/-0.1 mm)
Edge thickness, mm: 5 mm (+/-0.1 mm)
Focal length, mm: -20 mm +/-3% @ 632.8 nm
Material: UVFS
S1 Flatness, PV IR S2 Flatness, PV: Surface quality: 40-20 S-D