9621902

Focal length, mm: -256 (±1%) @ 800nm
TWD, PV: <λ/2 @ 632.8 nm
Surface quality, S-D: 40-20
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
LIDT: >2.5J/cm2 @ 800nm (300ps) @ 10Hz
Edge thickness, mm: >4
Dimensions, mm: Ø25.4 (+0/-0.6)
Coatings: AR(R<0.3%)@700-900 nm
Clear Aperture: >90
Material: BK7