Tamron SP AF 17-50mm F/2.8 XR Di II LD Aspherical (IF) Specs
Zoom lens | Canon EF-S, Nikon F (DX), Pentax KAF, Sony/Minolta Alpha | A16
| Principal specifications | ||
|---|---|---|
| Lens type | Zoom lens | |
| Max Format size | APS-C / DX | |
| Focal length | 17–50 mm | |
| Image stabilization | No | |
| Lens mount | Canon EF-S, Nikon F (DX), Pentax KAF, Sony/Minolta Alpha | |
| Aperture | ||
| Maximum aperture | F2.8 | |
| Minimum aperture | F32 | |
| Aperture ring | No | |
| Number of diaphragm blades | 7 | |
| Aperture notes | circular aperture | |
| Optics | ||
| Elements | 16 | |
| Groups | 13 | |
| Special elements / coatings | 2 hybrid aspherical elements 1 LD (Low Dispersion) glass element 1 XR (Extra Refractive) element | |
| Focus | ||
| Minimum focus | 0.27 m (10.63″) | |
| Maximum magnification | 0.22× | |
| Autofocus | Yes | |
| Motor type | Micromotor | |
| Full time manual | Unknown | |
| Focus method | Internal | |
| Distance scale | Yes | |
| DoF scale | Yes | |
| Physical | ||
| Weight | 430 g (0.95 lb) | |
| Diameter | 74 mm (2.91″) | |
| Length | 82 mm (3.22″) | |
| Colour | Black | |
| Zoom method | Rotary (extending) | |
| Zoom lock | Yes | |
| Filter thread | 67 mm | |
| Hood supplied | Yes | |
| Hood product code | flower shaped hood | |
| Tripod collar | No | |
| Other | ||
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