Canon launches world's widest full-frame rectilinear lens with autofocus

Canon RF 10-20mm f/4L IS STM lens mounted to a Canon EOS R5

Canon has announced the Canon RF 10-20mm f/4L IS STM, a full-frame mirrorless successor to the Canon EF 11-24mm f/4L USM lens for DSLRs launched back in 2015. 

The new Canon RF 10-20mm f/4L IS STM lens now makes full use of the company's full-frame mirrorless RF mount, which the manufacturer claims makes the new optic lighter, smaller, sharper, more feature-packed and overall improved in every way imaginable. 

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Dan Mold
Deputy Editor

Deputy Editor on PhotoPlus: The Canon Magazine, Dan also brings his technical wizardry and editing skills to Digital Camera World. He has been writing about all aspects of photography for over 10 years, having previously served as technical writer and technical editor for Practical Photography magazine, as well as Photoshop editor on Digital Photo

Dan is an Adobe-certified Photoshop guru, making him officially a beast at post-processing – so he’s the perfect person to share tips and tricks both in-camera and in post. Able to shoot all genres, Dan provides news, techniques and tutorials on everything from portraits and landscapes to macro and wildlife, helping photographers get the most out of their cameras, lenses, filters, lighting, tripods, and, of course, editing software.