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KL31-025B-250-VIS Positive Achromatic-Doublets Lenses

KL31-025B-250-VIS Positive Achromatic-Doublets Lenses

KL31-025B-400-VIS Positive Achromatic-Doublets Lenses

KL31-025B-400-VIS Positive Achromatic-Doublets Lenses

KL31-025B-300-VIS Positive Achromatic-Doublets Lenses

Diameter:25.4mm; focallength:300mm

US$70.48
In stock
SKU
KL531

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) 25.4
Focal length (mm) 300
Back Focus BFL (mm) 297
Center Thickness CT (mm) 6
Edge Thickness ET(mm) 5.4
Lensens A N-BK7
Lenses B SF2
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