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Tamron SP 70-200mm F/2.8 Di VC USD 
Summary
The Tamron SP 70-200mm F/2.8 Di VC USD is an interchangeable telezoom lens with constant, large aperture. It is available in Nikon, Canon and Sony mounts and was announced by Tamron on September 13, 2012.
| Maker | Tamron |
|---|---|
| Lens mount(s) | Canon EF, Nikon F, Sony/Minolta Alpha |
| Technical data | |
| Type | Zoom |
| Focus drive | Ultrasonic |
| Focal length | 70-200mm |
| Aperture (max/min) | f/2.8 |
| Close focus distance | 1.30 metres (4.3 ft) |
| Max. magnification | 0.13 |
| Diaphragm blades | 9 |
| Construction | 23 elements in 17 groups |
| Features | |
| Weather-sealing |  Yes |
| Lens-based stabilization | Yes |
| Aperture ring |  No |
| Physical | |
| Diameter | 86 millimetres (3.4 in) |
| Weight | 1,470 grams (3.24 lb) |
| Filter diameter | 77mm |
| History | |
| Introduction | 2012 |
References edit
- http://www.dpreview.com/products/tamron/lenses/tamron_70-200_2p8_vc/specifications