9426872

Center thickness, mm: 2.88
Clear aperture: >90
Coatings: uncoated
Dimensions tolerance, mm: (+0/-0.1)
Dimensions, mm: 20 x 20
Focal length tolerance, %: ±3
Focal length, mm: -25.84
Material: BK7
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Surface quality, S-D: 20-10
Thickness tolerance, mm: ±0.1