9733173

Focus length, mm: +120
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
ROC S1, mm: +54.78
Surface quality, S-D: 20-1
Material: UVFS (Corning 7980 0F)
Dimensions, mm: Ø18 (+0/-0.1)
Coatings: uncoated
Clear aperture: >90%
Centration error: <3 arcmin
Center thickness, mm: 3.8 (±0.1)
Protective chamfers: 0.1-0.3 mm x 45°
Edge thickness, mm: 3.06 (±0.1)