In stock
Focal length, mm: +500 ±3% @ 800 nm
Material: BK7
S1 Flatness, PV IR S2 Flatness, PV: <λ/2 @ 632.8 nm
Dimensions, mm: Ø25.4 (+0.0/-0.6)
Coatings: AR(R<0.3%)@700-900 nm
Clear Aperture: >90
Surface quality, S-D: 40-20
Edge thickness, mm: 4.0 (+2.0/-0.0)
Material: BK7
S1 Flatness, PV IR S2 Flatness, PV: <λ/2 @ 632.8 nm
Dimensions, mm: Ø25.4 (+0.0/-0.6)
Coatings: AR(R<0.3%)@700-900 nm
Clear Aperture: >90
Surface quality, S-D: 40-20
Edge thickness, mm: 4.0 (+2.0/-0.0)