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dia70*35 cut lens

Material: Fused silica,k9
Diameter: +/-0.05mm
Tolerance: +/-0.05mm
Sphericity: 3(0.5)
Surface Quality: 40/20
Coating: yes /not
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Material

Fused silica,k9

Diameter tolerance

+/-0.1mm

Thickness tolerance

+/-0.1mm

Paraxial Focal Length

+/-2%

Centration

3 arc minutes

Clear Aperture

>90%

Surface irregularity

λ/4 (at) 632.6nm

Surface Quality

60/40 scratch and dig

Protective Bevel

0.25x45°

cut this lens accordign to the drawings

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