The Tamron 70-180mm f/2.8 Di III VXD (Model A056) is a professional-grade telephoto zoom lens engineered for Sony E-mount full-frame mirrorless cameras. This exceptional optic delivers a constant f/2.8 aperture across the entire 70-180mm zoom range, making it ideal for portrait work, sports, and wildlife photography. The lens features dual VXD (Voice-coil eXtreme-torque Drive) linear motors that provide lightning-fast, near-silent autofocus performance with seamless compatibility with Sony's Fast Hybrid AF and Eye AF systems. With a minimum focus distance of just 0.85m, you can achieve beautiful subject isolation. The compact, lightweight design (810g) incorporates moisture-resistant construction and fluorine-coated front elements for reliable all-weather shooting. A floating optical system and generous use of specialised lens elements deliver outstanding image quality from edge to edge, whether you're shooting at maximum aperture or stopped down.