| Precision 
              Optics
             Introduce
             Windows
           
              Lenses 
            
             Prisms 
             Waveplates 
            
             Beamsplitters
            
             Filters
               Birefringent 
              Filter
               Laser 
              Line Interference Filter 
               Individual 
              Neutral Density Filter 
                Bandpass 
              Filter
             Laser 
              Optics 
             Coloured 
              Optical Glass 
             IR 
              Materials 
             Coating
             Custom 
              Optics
           | 
               
                | 
                     
                      | Individual 
                          Neutral Density Filters - Metallic 
                          CoatingType |   
                      |  |  |  |   
                | 
                     
                      | 
                           
                            | Specifications |  |   
                            | Material: 
                                BK7 
                                glass and Fused SilicaFlatness: 2¦Ë 
                                per 25 mm
 Surface Quality: 
                                80/50
 Parallelism: 3 
                                min
 Dimension Tolerance: 
                                ¡À0.2mm
 Coating: 
                                Vacuum-deposited metallic alloy
 Optical Density Tolerance: 
                                ¡À5%
 |  |   
                      | 
                           
                            | Optical 
                                Density | Transmission | BK7 
                                ¦Õ25mm | BK7 
                                50x50x2 | F.S. 
                                50x50mm |   
                            | Part 
                                No. | Part 
                                No. | Part 
                                No. |   
                            | 0.1 | 79.4% | MF0101 | MF0111 | MF0201 |   
                            | 0.2 | 63.1% | MF0102 | MF0112 | MF0202 |   
                            | 0.3 | 50.1% | MF0103 | MF0113 | MF0203 |   
                            | 0.5 | 31.6% | MF0104 | MF0114 | MF0204 |   
                            | 0.8 | 15.8% | MF0105 | MF0115 | MF0205 |   
                            | 1.0 | 10.0% | MF0106 | MF0116 | MF0206 |   
                            | 2.0 | 1.0% | MF0107 | MF0117 | MF0207 |   
                            | 3.0 | 0.1% | MF0108 | MF0118 | MF0208 |   
                            | 4.0 | 0.01% | MF0109 | MF0119 | MF0209 |  |  
                      | 
                           
                            |  | Please 
                              refer to  
                              the Glossary 
                              and Technology 
                              for more information about waveplates. |   
                            |  | Other 
                              sizes and coatings are available upon request. |  |  |  |