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KL13-025-200 Plano-Concave Lenses

KL13-025-200 Plano-Concave Lenses

KL13-025-400 Plano-Concave Lenses

KL13-025-400 Plano-Concave Lenses

KL13-025-250 Plano-Concave Lenses

Diameter:25mm; focallength:-250mm

Delivery Time : 2-3 weeks
US$17.87
In stock
SKU
KL145

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) 25
Effective focal length EFL(mm) -250
Back Focus length BFL(mm) -251.4
Radius R1(mm) -129.13
Center Thickness CT(mm) 2
Edge Thickness ET(mm) 2.61
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