Canon EF 500mm f/4.0L IS USM, 17/13
Canon EF 500mm f/4.0L IS USM. Lens structure (elements/groups): 17/13, Closest focusing distance: 177.2" (4.5 m), Lens viewing angle, horizontal: 4°. AF actuator: USM. Product color: Silver. Diameter: 5.75" (14.6 cm), Filter size: 2.05" (52 mm), Length: 15.2" (387 mm). Magnification: 0.12X