EF 400mm f/5.6L USM.
This high-performance lens was designed with portability and handling ease in mind. One super UD-glass element, whose characteristics are similar to fluorite, and one UD-glass element result in sharp pictures from corner-to corner. The lens also has a built-in hood and a detachable tripod mount.
Canon EF 400 mm f5.6 L USM, 7,7 cm, 1,25 kg, Extension Tube EF12 II - 0.16 - 0.03, Extension Tube EF25 II -0.21 - 0.07
Canon EF 400 mm f5.6 L USM. Filter size: 7,7 cm, Weight: 1,25 kg. Magnification: Extension Tube EF12 II - 0.16 - 0.03, Extension Tube EF25 II -0.21 - 0.07