Tamron TAMRON Camera Lens 17-50mm F/4 Di III VXD (Model A068) Sony E / Zoom Lens

■ A wide-angle zoom lens that covers the ultra-wide range from 17mm to the standard range of 50mm
■ Lens construction of 15 elements in 13 groups. Special glass materials such as LD (Low Dispersion) lenses (3 elements), GM (Glass Molded Aspheric) lenses (1 element), and hybrid aspheric lenses (2 elements) are effectively arranged to efficiently suppress various aberrations including chromatic aberration.
■It weighs just 460g and is just 114.4mm long, making it compact and well-balanced when combined with a camera body.
■The AF drive uses a linear motor focus mechanism called VXD (Voice-coil eXtreme-torque Drive). It achieves high-speed operation and positional accuracy of 0.005 mm.
■The minimum shooting distance is an amazing 0.19m at the wide-angle end (maximum shooting magnification 1:4.6) and 0.3m at the telephoto end (maximum shooting magnification 1:3.8).
■ Compatible with TAMRON Lens Utility, a dedicated software that expands the possibilities of still image and video shooting

[Product Specifications]

Focal length: 17-50mm
Brightness: F4
Angle of view (diagonal angle of view): 103°41′- 46°48′ <When using a 35mm full-frame mirrorless single-lens camera>
Lens construction: 15 elements in 13 groups
Minimum shooting distance: 0.19m (WIDE) / 0.30m (TELE)
Maximum shooting magnification: 1:4.6 (WIDE) / 1:3.8 (TELE)
Filter diameter: φ67mm
Maximum diameter: φ74.8mm
Length: 114.4mm
Mass: 460g
Aperture blades: 9 (circular aperture)
Minimum aperture: F22
Compatible mount: Sony E-mount
Accessories: Flower-shaped hood, lens cap