Tamron 17-50mm F/1.4 Di III VXD Sony E- Film and video lens
Tamron has released a new 17-50mm variable zoom lens with F/4 aperture for Sony E mount. Given its focal length, it has a range from ultra-wide to standard. Ideal for both still photography and video recording, it is also a lens that achieves excellent optical performance throughout the zoom range, with edge-to-edge sharpness.
The Tamron 17-50mm F/4 Di III VXD incorporates the VXD (Voice-coil eXtreme-torque Drive) linear motor focusing mechanism which provides superior quiet and agile performance, and achieves high-speed, high-precision autofocusing. This lens has a minimum focusing distance in wide angle of 19cm and in tele of 30cm. Due to its size and weight, it is a lens for both advanced amateurs and professionals looking for portability.


TAMRON is a Japanese company that offers a wide range of original optical products, from interchangeable lenses for digital cameras to various optical devices for both the general consumer and OEM. This lens has been developed and manufactured based on E-mount specifications.
SPECIFICATIONS
- Modeo: A068
- Focal length: 17-50mm
- Maximum aperture: F4
- Angle of view (diagonal): 103°41′- 46°48′ (for full-frame mirrorless format)
- Optical construction: 15 elements in 13 groups
- Minimum object distance: 0.19m / 7.5in (ANGULAR) / 0.3m / 11.8in (TELE)
- Maximum magnification ratio: 1:4.6 (ANGULAR) / 1:3.8 (TELE)
- Filter size: Ø67mm
- Maximum diameter: Ø74.8mm
- Length*: 114.4mm (4.5in)
- Weight: 460g (16.2oz)
- Aperture blades**: 9 (circular diaphragm)
- Minimum aperture: F22
- Standard accessories: Flower-shaped hood, Lens caps
- Mount: Sony E-mount
* Length is the distance from the front end of the lens to the face of the mount.
** The circular diaphragm remains almost perfectly circular up to two steps below the maximum aperture.