re: Nikon 70-300 and Tamron

[Bob Halberstadt]

Nikon AF70-300D ED Compared                                                     
                                                        
        Nikon                   Tamron                  
                                                        
Filter  62mm                    58mm                    
Front Element   2.2mm larger-1/4 stop brighter  on Nikon                
Focus Right (like all Nikons)   Focus Left                      
Minimum Aperture Lock Standard  Aperture Lock not like Nikons           
Minimum Aperture        F32     F22                     
Multicoated Elements    10      6                                       
Nikon CPU                       Tamron CPU                      
Mount screwed on                Mount crimped on                        
Dull Reflections                Brighter Reflections    
(duller reflections = more transmission less reflection)         
Nikon ED Glass                  Tamron LD glass                 
Surface texture better          Surface texture has cheaper feel