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Bi Concave Lenses
Negative lens with the form most suited to producing diverging light or a virtual image.
 

    Specifications

 MaterialBK7 grade A optical glass
 Design Wavelength546.1nm
 Design Index1.5183+/-0.0005
 Diameter Tolerance+0.0/-0.15mm
 Paraxial Focal Length+/-2%
 Centration3 arc minutes
 Clear Aperture>80%
 Surface Figure1/4 wave @632.8nm
 Surface Quality60-40 scratch and dig
 Bevel0.25X45 degree
 CoatingNone


 
China Optics Net
    Bi Concave Lenses
Product No.F(mm)Dia.(mm)R1=R2(mm)Tc(mm)Te(mm)Fb(mm)Add
100036-8.06.08.622.03.0-8.6
100037-10.010.010.702.04.5-10.6
100038-15.012.715.882.04.6-15.6
100039-35.025.436.622.06.5-35.7
100040-500.025.4518.642.02.3-500.7
100041-1000.025.41036.942.02.2-1000.7
100042-50.038.052.343.010.1-51.0
100043-100.038.0104.173.06.5-101.0
100044-350.038.0363.323.04.0-351.0
100045-700.038726.133.03.5-701.0
100046-100.050.0104.173.09.1-101.0
100047-20050.0207.833.06.0-201.0
100048-50050.0518.823.04.2-501.0
100049-80050.0829.733.03.8-801.0
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