In stock
Center thickness, mm: 4
Clear aperture: >90
Coatings: AR/AR(R<1.5%) @ 350-700 nm
Dimensions tolerance, mm: (+0/-0.1)
Dimensions, mm: 25.4
Focal length tolerance, %: ±1
Focal length, mm: -750
Material: BK7
Protective chamfers: 0.2-0.3 mm x 45°
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Surface quality, S-D: 40-20
Thickness tolerance, mm: ±0.1
Clear aperture: >90
Coatings: AR/AR(R<1.5%) @ 350-700 nm
Dimensions tolerance, mm: (+0/-0.1)
Dimensions, mm: 25.4
Focal length tolerance, %: ±1
Focal length, mm: -750
Material: BK7
Protective chamfers: 0.2-0.3 mm x 45°
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Surface quality, S-D: 40-20
Thickness tolerance, mm: ±0.1