The Tamron 17-70mm F2.8 Di III-A VC RXD is the world's first F2.8 standard zoom lens for APS-C mirrorless cameras, delivering a versatile 4.1x zoom ratio ideal for everyday photography and video work. Designed exclusively for Sony E-mount APS-C cameras, this lens maintains a constant F2.8 maximum aperture throughout its entire 17-70mm focal length range (equivalent to 25.5-105mm on full-frame), ensuring exceptional performance in low-light conditions and giving you precise control over depth of field. The lens combines advanced optical design with 16 elements in 12 groups, including aspherical and low-dispersion elements, to produce sharp, well-corrected images with outstanding colour accuracy. Tamron's proprietary VC (Vibration Compensation) image stabilisation system minimises camera shake for steadier handheld photography and smooth video recording, with AI-optimised video stabilisation. The RXD (Rapid eXtra-silent stepping Drive) autofocus system delivers near-silent, high-speed focusing that minimises focus breathing during video work. Built for durability and versatility, the lens features moisture-resistant construction, fluorine coating to repel fingerprints and dust, and a compact, lightweight design weighing just 525g with an overall length of 119.3mm. The 67mm filter diameter matches Tamron's full-frame lens lineup, giving you maximum accessory compatibility.