The Canon RF 50mm f/1.2L USM Lens is a fast prime lens in RF mount with a maximum aperture of F2.8 with 10 blades and a minimum focus distance of 40 cm.

The lens uses very quiet autofocus motors. The integrated ring can be configured to adjust the aperture, ISO or exposure compensation.

The Canon RF 50mm f/1.2L USM weighs 950 grams and uses 77mm filter thread. The angle of view is 46°. The lens consists of 15 elements in 9 groups. The lens dimensions are 89.8 x 108 mm. It weighs 950 g.