9435203

Required documents: Reflectivity curve of both faces
Edge thickness, mm: > 4
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Transmitted wavefront, PV: <λ/2 @ 632.8 nm
Material: BK7
Focal length, mm: -250 (±1%) @ 800nm
Damage threshold: >2.5J/cm2 @ 800nm; 300ps; 10Hz
Coatings: AR/AR(R<0.3%)@700-900. AOI=0 deg
Clear Aperture: >90
Adhesion and durability: Per MIL-C-675A
Surface quality, S-D: 40-20
Dimensions, mm: Ø25.4 (+0/-0.6)