Chinese
KL23-025-250 UV Grade Fused Silica Plano-Concave Lenses
Diameter:25.4mm; focallength:-250mm
Delivery Time : 2-3 weeks
US$54.60
In stock
SKU
KL327
Material:UV Grade Fused Silica
Design Wavelength:587.6nm; n=1.45848
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:2~3 level
Bevel:0.2mmX45°
Coatings:Please see the coating list
| Drawing |  |
|---|---|
| Diameter (mm) | 25.4 |
| Focal length (mm) | -250 |
| Back Focus BFL (mm) | -251.371 |
| Radius R1（mm） | -114.62 |
| Center Thickness CT (mm) | 2 |
| Edge Thickness ET（mm） | 2.77 |
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