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           | 
               
                | 
                     
                      | Beamsplitter 
                          Penta Prisms |  |   
                | 
                     
                      | Specification |  |   
                      |  | Material: 
                        BK7 Grade A optical glass |   
                      |  | Dimension 
                        Tolerance: ¡À0.2mm |   
                      |  | 90¡ã 
                        Deviation Tolerance |   
                      |  |  | Standard 
                        series:  < 30 arc seconds |   
                      |  |  | Precision 
                        series:  <5 arc seconds |   
                      |  | Flatness: 
                         ¦Ë/4 at 632.8 nm |   
                      | Surface 
                        Quality:  60-40 scratch and dig |   
                      | Beamsplitter 
                        Ratio Transmission/Reflection @ 630-680nm, T/R: 20/80 
                        ¡À5% |  |   
                | 
                     
                      |  | 1min. 
                          deviation | 30 
                          sec. deviation | 15 
                          sec. deviation | 5 
                          sec. deviation |   
                      | A 
                          x h (mm) | Part 
                          No. | Part 
                          No. | Part 
                          No. | Part 
                          No. |   
                      | 7x6 | SP0131 | SP0121 | SP0111 | SP0101 |   
                      | 10 
                          x 10  | SP0132 | SP0122 | SP0112 | SP0102 |   
                      | 15 
                          x 15  | SP0133 | SP0123 | SP0113 | SP0103 |   
                      | 20 
                          x 20  | SP0134 | SP0124 | SP0114 | SP0104 |   
                      | 25 
                          x 25 | SP0135 | SP0125 | SP0115 | SP0105 |  |  
                | 
                     
                      |  | Please 
                        refer to the Material 
                        Chapter for more information about the material. |   
                      |  | Please 
                        refer to 
                        this page for more information about Beamsplitter 
                        Penta Prisms. |   
                      |  | Please 
                        refer to Optical 
                        Specifications  for more infomation of Angle Accuracy. |   
                      |  | Other 
                        sizes and coatings are available upon request. |  |  |