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Tamron SP AF 17-50mm F/2.8 XR Di-II LD SP ZL Aspherical (IF) Zoom Lens with Built In Motor for Nikon Digital SLR
Specifications
- Focal length: 17-50mm
- Maximum aperture: f/2.8
- Lens construction: 16 elements in 13 groups
- Angle of view: 78 degrees @ 45 feet to 31 degrees @ 11 feet
- Type of zooming: Rotation
- Diaphragm blades: 7 (circular)
- Minimum aperture: f/32
- Minimum focusing distance: 10.6 inches
- Macro magnification ratio: 1:4.5
- Filter size: 67mm
- Corresponding mounts: Nikon
- Built-in motor: Yes
- Dimensions: 2.9 inches in diameter and 3.2 inches long
- Weight: 15.2 ounces
- Warranty: 6 years
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