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KL14-025-025 Double-Concave Lenses

KL14-025-025 Double-Concave Lenses

KL14-050-050 Double-Concave Lenses

KL14-050-050 Double-Concave Lenses

KL14-040-040 Double-Concave Lenses

Diameter:40mm; focallength:-40mm

Delivery Time : 2-3 weeks
US$30.77
In stock
SKU
KL177

Material:K9 Precision Annealedoptical glass

Design Wavelength:587.6nm

Diameter Tolerance:+0.0/-0.1mm

Center Thickness Tolerance:±0.2mm

Surace Figure:λ/4 @632.8nm

focallength Tolerance:±2%

Centering Tolerance:3 arc minutes

Surface Quality:3~4 level

Bevel:0.2mmX45°

Coatings:Please see the coating list

More Information
Drawing
Diameter Dia(mm) 40
Effective focal length EFL(mm) -40
Back Focus length BFL(mm) -40.82
Center Thickness CT(mm) 2.5
Edge Thickness ET(mm) 12.71
R1=-R2(mm) -41.74
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