Tamron's unique 50-400mm full-frame zoom for Sony FE — from standard to super-telephoto in one stabilised lens.
The Tamron 50-400mm f/4.5-6.3 Di III VC VXD (Model A067) was released approximately 2022 as a full-frame telephoto zoom for Sony FE bodies, covering 50-400mm with VC optical stabilisation and VXD (Voice-coil eXtreme-torque Drive) linear motor AF. At 1,155g and 67mm filter thread. Twenty-four elements in 18 groups. Nine aperture blades. 0.25m MFD at 50mm.
The optical design uses 24 elements in 18 groups (XLD, LD, and hybrid aspherical elements). Nine aperture blades. The 67mm filter thread. At 1,155g the lens is substantial. Minimum focus distance of 0.25m at 50mm. VC optical stabilisation. VXD linear motor for fast, quiet AF. Variable aperture from f/4.5 at 50mm to f/6.3 at 400mm.
The 50-400mm range provides an unusual starting point for a full-frame telephoto zoom: at 50mm the lens covers standard perspective while extending to 400mm super-telephoto. The 0.25m MFD at 50mm enables close-range subject framing at near-macro distances when full telephoto reach is not needed. The VXD motor's fast tracking supports sports and wildlife at the 400mm end.
On the used market the Tamron 50-400mm f/4.5-6.3 Di III VC VXD is available at mid-range Sony FE telephoto zoom pricing. Condition checks: VC engagement, VXD AF response, 67mm front element for marks, zoom ring smoothness. Compatible with all Sony FE-mount full-frame and APS-C E-mount bodies.