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double concave lens
 
Double concave lens (BCV lens) is used to produce divergent light,best used where the input beam is converging. Typical applications include laser beam expanders, optical character readers, viewers, and projection systems.
Specifications
Material: grade A optical glass or Fused Silica                
Diameter: smallest up to 2mm     
Diameter Tolerance: +0.0, -0.1 mm                        
Paraxial Focal Length Tolerance:±2%                                    
Tc tolerance:±0.1mm
Clear Aperture: >85%
Surface Quality: 60-40
Surface Figure: N=3, △N=0.5
Centration:±3 arc mins
Coating: Single layer MgF2 broadband AR coating
Protective Bevel
                
 
 
Address: BLD# 61,Jinshan Industrial Area,Fuzhou,Fujian350008 China Tel: +86-591-8780 9021
Fax: +86-591-8780 1021 Email: sales@fitecoptics.com
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