The Canon RF 100-500mm F4.5-7.1 L IS USM is a Full Frame Canon RF-mount lens. The lens has a wide zoom range from 100 to 500mm, which makes the lens popular among sport and nature photographers. The lens is built up of 20 elements in 14 groups and has 9 diaphragm blades which results in rounded, soft bokeh. In addition, the lens has Ultra-Low Dispersion and Super UD elements that help against chromatic aberration and color fringing.

Furthermore, the lens has optical image stabilization for up to 5-stops and has three different modes, standard single-shot, panning-optimized and a mode which only activates image stabilization during exposure. Besides being weather resistant, the lens also has a USM focusing motor which allows for quiet, accurate and fast focusing. The lens also has a control ring which can be used to either adjust your aperture, ISO or exposure compensation.

Finally the lens has a 77mm filter thread, weighs 1.36kg and the dimensions are 93.8 x 207.6mm