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  Name:mirror lens
Category:摄影镜头
 

                           focus:320mm      
                                                                                 minimum focusing distance:1.6m  
                                                                                 iris:F6.3       
                                                                                 dimensions:85.4*79      
                                                                                 construction:6片4组

                          focus:500mm      
                                                                               minimum focusing distance:2.0
                                                                               iris:8.0        
                                                                               filter diameter:30.5mm(后部)
                                                                               construction:6片6组     
                                                                               dimensions:77*85mm
                                                                               angel of view:5          
                                                                               weight:310g

                           focus:500mm      
                                                                               minimum focusing distance:2.0
                                                                               iris:6.3        
                                                                               filter diameter:90mm(前部)
                                                                               construction:7片6组     
                                                                               dimensions:98*119.5mm
                                                                               angel of view:5          
                                                                               weight:550g

                            focus:900mm      
                                                                               minimum focusing distance:2.0
                                                                               iris:8.0        
                                                                               filter diameter:105mm(前部)30.5(后部)
                                                                               construction:7片6组     
                                                                               dimensions:108*140mm
                                                                               angel of view:5         
                                                                               weight:910g


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