Canon RF 15-35mm f/2.8 L IS USM Lens - Canon RF 15-35 f/2.8 L IS USM fast wide-angle zoom lens for full-frame RF mount cameras with autofocus and image stabilization equivalent to five exposure steps. The lens can be used in the process of photo and video shooting of landscapes, architecture, reporting, city shooting, and can be used in various creative genres, for example, when creating creative dynamic photography. The maximum aperture value of f/2.8 is constant throughout the entire focal length segment. The design includes 16 lenses, including aspherical elements and elements made of low dispersion glass to minimize chromatic aberrations and improve image clarity. To reduce glare and ghosting during the manufacturing process, the lenses are coated with a special coating with a subwavelength structure. Another feature of the lens is the presence of a control ring that can be set to adjust a specific shooting parameter, such as shutter speed or ISO. The ultrasonic USM is responsible for fast, smooth and quiet autofocus.