Fast and super sharp, this ultra-fast prime lens for Canon’s RF cameras is weather-sealed and is built with 15 elements in 9 groups, with UD and aspherical elements, as well as Air Sphere, Super Spectra and fluorine coatings. It has a ten-bladed diaphragm and a 40 cm minimum focusing distance with a customizable control ring that can be used for adjusting aperture, shutter speed, ISO settings and exposure compensation. Focusing is fast and silent thanks to the ring-type ultrasonic motor.