EF 16-35mm F/2.8L III USM Lens For Canon Black

Lens Construction - 16 Elements in 11 Groups, Closest Focusing Distance - 0.92 ft./0.28m • Large-diameter double-surface glass moulded (gmo) lenses and ultra low dispersion • Help to significantly improve image distortion and reduce chromatic aberration • Advanced air sphere and subwavelength coating work to combat ghosting and flare, so you can shoot with confidence in environments with unflattering lighting • Large, f/2.8 Aperture allows you to make the most of available light, while a 9 bladed circular aperture diaphragm helps to deliver stunning depth of field • Robust, durable, weather sealed construction of ef 16-35mm f/2.8L iii usm helps it to withstand the rigours of professional use