Just 8.3 long with a maximum diameter of Ø93mm. And weighing only 62.8 oz. MOD is 23.6 at the 150mm end and 70.9 at the 500mm telephoto end with Max. Mag. ratio 1:3.1 at 150mm. VXD AF motor provides high speed, high precision, and excellent quietness. Arca-Swiss compatible tripod mount with strap attachment holes included. BBAR-G2 Coating minimizes ghosting and flare