Distinguished by its speed, the Canon RF 50mm f/1-2L USM Lens is a desirable normal-length prime due to its versatile focal length and bright f/1-2 maximum aperture- This fast design excels in difficult lighting conditions and also benefits working with shallow depth of field and selective focus techniques- The optical layout incorporates one UD element and one aspherical element, which help to reduce both chromatic and spherical aberrations in order to produce greater clarity and sharpness- A rounded 10-blade diaphragm also benefits bokeh quality to suit isolating subjects with depth of field- Complementing the imaging capabilities is an apt ring-type Ultrasonic Motor, which delivers fast, near-silent autofocus and full-time manual focus override- Additionally, a unique Control Ring is integrated into the lens design for intuitive control over exposure settings from the lens itself- {Key Features} - RF-Mount Lens/Full-Frame Format - Aperture Range: f/1-2 to f/16 - One UD Element, One Aspherical Element - Ring-Type Ultrasonic Motor AF System - Customizable Control Ring - Rounded 10-Blade Diaphragm {Box Contents} - Canon RF 50mm f/1-2L USM Lens - E-77 II 77mm Lens Cap - Lens Dust Cap RF - ES-83 Lens Hood - Lens Case LP1319