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Tamron AF 17-50mm F/2.8 XR Di-II LD SP ZL Aspherical (IF) Zoom Lens for Canon Digital SLR Cameras
- Focal length: 17-50mm
- Maximum aperture: f/2.8
- Angle of view (diagonal): 78 degrees (at 45 feet) to 31 degrees (11 feet)
- Lens construction: 16 elements in 13 groups
- Minimum focus distance: 10.6 inches
- Maximum mag ratio: 1:4.5
- Filter size: 67mm
- Diaphragm blades: 7
- Minimum aperture: f/32
- Standard accessory: Flower-shaped hood
- Compatible mount: Canon AF, Konica Minolta AF-D, and Nikon AF-D
- Dimensions: 2.9 inches in diameter and 3.3 inches long
- Weight:15.2 ounces
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