Canon EF 600mm f/4L IS II USM, Telephoto lens, 16/12, Image stabilizer, Canon EF Canon EF 600mm f/4L IS II USM. Component for: SLR, Lens structure (elements/groups): 16/12, Lens type: Telephoto lens. Camera brands compatibility: Canon, Maximum magnification: 0.15x. Product color: Black, White. Diameter: 6.61" (16.8 cm), Filter size: 2.05" (52 mm), Length: 17.6" (448 mm)