So we're grateful that Canon is revisiting its classic EF optic, which boasts a 180-degree angle of view that enables you to create circular fisheye images at 8mm (giving you that distinctive "porthole effect", as shown in the image above) as well as shots with full-frame coverage (which fill the entire frame) when the lens is zoomed right in.
Canon usually makes a tweaks to something, or adds an extra bell or whistle when it produces RF equivalents of EF lenses, so it will be interesting to see if it does anything dramatic here or if it's a straight-up translation of the existing DSLR optic.
Here are some of the details from the optical formula, unearthed from the Japanese patent registration that was spotted by Canon News:
The editor of Digital Camera World, James has 21 years experience as a journalist and started working in the photographic industry in 2014 (as an assistant to Damian McGillicuddy, who succeeded David Bailey as Principal Photographer for Olympus). In this time he shot for clients like Aston Martin Racing, Elinchrom and L'Oréal, in addition to shooting campaigns and product testing for Olympus, and providing training for professionals. This has led him to being a go-to expert for camera and lens reviews, photo and lighting tutorials, as well as industry news, rumors and analysis for publications like Digital Camera Magazine, PhotoPlus: The Canon Magazine, N-Photo: The Nikon Magazine, Digital Photographer and Professional Imagemaker, as well as hosting workshops and talks at The Photography Show. He also serves as a judge for the Red Bull Illume Photo Contest. An Olympus and Canon shooter, he has a wealth of knowledge on cameras of all makes – and a fondness for vintage lenses and instant cameras.
