Tamron 70-180mm f/2.8 Di III VXD Lens for Sony E

Compact size maximizes the mobility advantages of mirrorless cameras
A true marvel of portability and utility, the 70-180mm F/2.8 incorporates an innovative zoom mechanism and 180mm telephoto power. It was possible to maintain extreme light weight and compactness even while attaining a fast F/2.8 aperture across the entire zoom range by leveraging the camera-based image stabilization. It is small: filter diameter 67mm, maximum diameter 81mm, length 149mm (5.9 in) at the 70mm setting, and also light weight: 810g (28.6 oz). The super-compact size helps make handheld shooting a breeze.