Tamron SP AF 17-50mm F/2.8 XR Di II LD Aspherical [IF] Canon
Released January 2008
            
                    
                        
                            Tamron SP AF 17-50mm F/2.8 XR Di II LD Aspherical [IF] Canon
                        
                    
                
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            | Announced | 01/01/2008 | 
| Indicative price (USD) | 459 | 
| Aperture | f/ 2.8 | 
| Focal range (mm) | 17-50 | 
| Filter diameter (mm) | 67 | 
| Max diameter (mm) | 73.8 | 
| Mount type | Canon EF-S | 
| Stabilization | No | 
| AF Motor | DC Motor | 
| Zoom type | Ring | 
| Rotating front element | No | 
| Tripod mount | No | 
| Color | Black | 
| Full-Time manual focus | No | 
| Number of lenses | 16 | 
| Number of groups | 13 | 
| Diaphragm blades | 7 | 
| Circular aperture | yes | 
| Length (mm) | 83.2 | 
| Weight (gr) | 430 | 
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