The Canon EF 24mm f/1.4L II USM Lens is a wide angle F1.4 lens from the L series range with EF mount. These are the best photography lenses Canon has to offer and are also frequently used for video. The lens was designed with two ultra-low dispersion elements and is well corrected for aberrations. The minimum focus distance is 25 cm. The aperture consists of 8 blades, giving this lense a spherical bokeh. The front filter size is 77 mm and weighs 650 grams. The lens dimensions are 83.5 x 86.9 mm. The autofocus of this lens is incredible thanks to the Ultrasonic Motor (USM).