9332253

Center thickness, mm: 2.36
Centration error: <3 arcmin
Clear aperture: >90
Coatings: uncoated
Dimensions, mm: Ø25.4
Edge thickness, mm: 2.06
Focal length tolerance, %: ±1
Focal length, mm: +500
Material: UVFS (Suprasil 300)
ROC S1, mm: +230
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Surface quality, S-D: 20-10