9374887

Center thickness, mm: 4.35
Centration error: <3 arcmin
Clear aperture: >90
Dimensions tolerance, mm: (+0/-0.1)
Dimensions, mm: Ø25.4
Edge thickness, mm: 5
Material: UVFS
ROC S1, mm: 574
ROC tolerance, %: ±1
S1 Flatness, PV IR S2 Flatness, PV: <λ/8 @ 632.8 nm
Surface quality, S-D: 20-10
Thickness tolerance, mm: +/-0.1