In stock
Center thickness, mm: 3.91 (±0.1)
Centration error: <3 arcmin
Clear Aperture: >90
Dimensions, mm: Ø25.4 (+0/-0.1)
Edge thickness, mm: 5 (±0.1)
Material: UVFS
Protective chamfers: <0.25 mm x 45°
ROC S1, mm: -75 (±1%)
S1 Flatness, PV IR S2 Flatness, PV: <λ/6 @ 632.8 nm
Surface quality, S-D: 20-10
Centration error: <3 arcmin
Clear Aperture: >90
Dimensions, mm: Ø25.4 (+0/-0.1)
Edge thickness, mm: 5 (±0.1)
Material: UVFS
Protective chamfers: <0.25 mm x 45°
ROC S1, mm: -75 (±1%)
S1 Flatness, PV IR S2 Flatness, PV: <λ/6 @ 632.8 nm
Surface quality, S-D: 20-10
