產品展示

平凹透鏡

PCV lenses have a negative focal length and are used for image reduction or to spread light. It makes parallel beams diverge.

Specifications

Item                        
 Commercial
 High Precision
Material: 
N-BK7;Fused Silica ;Silicon
Diameter φ:  
3mm~60mm
Dimension tolerance:
±0.1mm
  ±0.05mm
Focus length tolerance:
±2%@632.8mm
Surface figure(per 25.4mm)
λ/4@632.8nm
 λ/10@ 632.8nm
Surface quality:
MIL40-20
Clear aperture:
85%
Centration:
 ≤3′
Bevel(face width×45°):
 0.2~0.4mm or specified by customer
Coating:
    Specified by customer
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