9008980

In stock
Bevel cut of concave side: 0.2 mm
Center thickness, mm: 2 mm (+/-0.2 mm)
Centration error: <3 arcmin
Clear aperture: >90 %
Coatings:
Dimensions A x B x C, mm: 4 mm x 4 mm (+0/-0.05 mm)
Effective focal length: -12.7 mm +/-1 % @ 587.6 nm
Protective chamfers: <0.1 mm x 45 deg
ROC S1, mm: ROC= -6.56 mm
S1: R<0.8%@ 700 nm - 1000 nm, AOI=0 deg
S2: R<0.8%@ 700 nm - 1000 nm, AOI=0 deg
Material: N-BK7
S1 Flatness, PV IR S2 Flatness, PV: Surface quality: 20-10 S-D

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