| Precision 
              Optics
             Introduce
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              Lenses 
               Plano-Convex 
              Lenses 
               Double-Convex 
              Lenses 
               Plano-Concave 
              Lenses 
               Double-Concave 
              Lenses 
               Meniscus 
              Lenses 
               Cylindrical 
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           | 
               
                | 
                     
                      | BK7 
                          Plano-Concave Cylindrical Lenses |   
                      |  |  |  |  |   
                | 
                     
                      | Specifications: 
                             
                         Material: 
                          BK7 grade A optical glass Design Wavelength: 632.8 nm,
 Design Index: n=1.5147
 Surface Figure: x: l/2; 
                          y: 2l
 Dimension 
                          Tolerance: ¡À0.2mm
 Paraxial Focal Length: ¡À2%
 Centration: 
                          3 arc minutes
 Clear Aperture: >80%
 Surface Quality: 60-40 scratch and dig
 Bevel: 0.25 mm x 45¡ã
 |  |   
                      | 
                           
                           
                            | Part 
                                No.   | X 
                                x Y (mm)   | f 
                                (mm)   | R1 
                                (mm)   | tc 
                                (mm)   | te 
                                (mm)   | fb 
                                (mm)   |   
                            | VC0101 
                               | 10.0x10.0 
                               | -12.7 
                               | 6.54 
                               | 4.3 
                               | 2.0 
                               | -14.0 
                               |   
                            | VC0102 
                               | 20.0x10.0 
                               | -12.7 
                               | 6.54 
                               | 4.3 
                               | 2.0 
                               | -14.0 
                               |   
                            | VC0103 | 10.0x10.0 
                               | -25.0 
                               | 12.87 
                               | 3.0 
                               | 2.0 
                               | -26.3 
                               |   
                            | VC0104 | 20.0x10.0 
                               | -25.0 
                               | 12.87 
                               | 3.0 
                               | 2.0 
                               | -26.3 
                               |   
                            | VC0105 | 20.0x20.0 
                               | -50.0 
                               | 25.73 
                               | 4.0 
                               | 2.0 
                               | -51.3 
                               |   
                            | VC0106 | 40.0x20.0 
                               | -50.0 
                               | 25.73 
                               | 4.0 
                               | 2.0 
                               | -51.3 
                               |   
                            | VC0107 | 20.0x20.0 
                               | -75.0 
                               | 38.60 
                               | 3.3 
                               | 2.0 
                               | -76.3 
                               |   
                            | VC0108 | 40.0x20.0 
                               | -75.0 
                               | 38.60 
                               | 3.3 
                               | 2.0 
                               | -76.3 
                               |   
                            | VC0109 | 20.0x20.0 
                               | -100.0 
                               | 51.47 
                               | 4.0 
                               | 3.0 
                               | -102.0 
                               |   
                            | VC0110 | 40.0x20.0 
                               | -100.0 
                               | 51.47 
                               | 4.0 
                               | 3.0 
                               | -102.0 
                               |   
                            | VC0111 | 20.0x20.0 
                               | -150.0 
                               | 77.20 
                               | 3.7 
                               | 3.0 
                               | -152.0 
                               |   
                            | VC0112 | 40.0x20.0 
                               | -150.0 
                               | 77.20 
                               | 3.7 
                               | 3.0 
                               | -152.0 
                               |   
                            | VC0113 | 20.0x20.0 
                               | -200.0 
                               | 102.93 
                               | 3.5 
                               | 3.0 
                               | -202.0 
                               |   
                            | VC0114 | 40.0x20.0 
                               | -200.0 
                               | 102.93 
                               | 3.5 
                               | 3.0 
                               | -202.0 
                               |   
                            | VC0115 | 20.0x20.0 
                               | -250.0 
                               | 128.67 
                               | 3.4 
                               | 3.0 
                               | -252.0 
                               |   
                            | VC0116 | 40.0x20.0 
                               | -250.0 
                               | 128.67 
                               | 3.4 
                               | 3.0 
                               | -252.0 
                               |   
                            | VC0117 | 20.0x20.0 
                               | -500.0 
                               | 257.33 
                               | 3.2 
                               | 3.0 
                               | -502.0 
                               |   
                            | VC0118 | 40.0x20.0 
                               | -500.0 
                               | 257.33 
                               | 3.2 
                               | 3.0 
                               | -502.0 
                               |   
                            | VC0119 | 20.0x20.0 
                               | -1000.0 
                               | 514.66 
                               | 3.1 
                               | 3.0 
                               | -1002.0 
                               |   
                            | VC0120 | 40.0x20.0 
                               | -1000.0 
                               | 514.66 
                               | 3.1 
                               | 3.0 
                               | -1002.0 
                               |  |  
                     
                      |  | Please 
                        refer to the Material 
                        Chapter for more information about BK7 glass, UV grade 
                        fused silica, Sapphire and CaF2. |   
                      |  | Please 
                        refer to  
                        the Glossary 
                        and Technology 
                        for more information about lenses. |   
                      |  | Please 
                        refer to Coating 
                        Chapter for more infomation of coating. |   
                      |  | Other 
                        sizes and coatings are available upon request. |   
                      |  | lPlease 
                        refer to Ring 
                        Mount for Lenses |  |  |