Tamron SP 15-30mm F2.8 Di VC USD G2 Overview
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Manufacturer description: The Tamron SP 15-30mm F2.8 Di VC USD G2 (second generation) full-frame lens incorporates an XGM (eXpanded Glass Molded Aspherical) lens element, as well as multiple LD (Low Dispersion) lens elements to reduce distortion and lateral chromatic aberrations. A newly developed AX (Anti-reflection eXpand) Coating has been applied to reduce ghosting and flare. A "vastly improved" fluorine coating keeps water and oil off of the front elements, and the lens is sealed against moisture.
The 15-30 has an improved Vibration Correction system that reduces shake by up to 4.5 stops. Autofocus performance has also refined thanks to a Dual Micro-Processing Unit and new algorithms. As with the G1 model, the lens has a minimum focus distance of 28cm (11") and a magnification of 0.2x. The Canon version supports rear gel filters.
| Lens type | Zoom lens |
| Focal length | 15–30 mm |
| Image stab. | Yes |
| Lens mount | Canon EF, Nikon F (FX) |
| Max aperture | F2.8 |
| Min aperture | F22 |
| Min focus | 0.28 m (11.02″) |
| Max magnification | 0.2× |
| Weight | 1110 g (2.45 lb) |
| Length | 145 mm (5.71″) |
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