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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.
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: No.51,Yangqi Road,Fuwan Industrial Area,Fuzhou,Fujian,China. Tel: +86-591-8780 9021 Fax: +86-591-8780 1021 Email: sales@primexoptical.com
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