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KL31-008-020-VIS Positive Achromatic-Doublets Lenses

KL31-008-020-VIS Positive Achromatic-Doublets Lenses

KL31-012B-025-VIS Positive Achromatic-Doublets Lenses

KL31-012B-025-VIS Positive Achromatic-Doublets Lenses

KL31-012B-019-VIS Positive Achromatic-Doublets Lenses

Diameter:12.7mm; focallength:19mm

US$50.63
In stock
SKU
KL513

Diameter Tolerance:+0.0/-0.1mm

Center Thickness Tolerance:±0.2mm

Surace Figure:λ/4 @632.8nm

focallength Tolerance:±2%

Centering Tolerance:3~5arc minutes

Surface Quality:3~4 level

Bevel:0.2mmX45°

Coatings:VIS Ravg<0.5% @400~700nm

More Information
Drawing
Diameter (mm) 12.7
Focal length (mm) 19
Back Focus BFL (mm) 15.7
Center Thickness CT (mm) 6
Edge Thickness ET(mm) 4
Lensens A N-BAF10
Lenses B N-SF6HT
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