Richard CanonNews / Friday, March 7, 2025 / Categories: Lens Catalog This post may contain affiliate links(s). An affiliate link means I may earn advertising/referral fees if you make a purchase through my link, without any additional cost to you. It helps to keep this site afloat. Thank you in advance for your support. If you like what we do here, maybe buy me a coffee. Canon RF 10-20mm F4 L IS STM Richard CanonNewsRichard CanonNews Richard has been using Canon cameras since the 1990s, with his first being the now legendary EOS-3. Since then, Richard has continued to use Canon cameras and now focuses mostly on infrared photography. Richard is the founder and editor of CanonNews since 2017, and has worked as a writer on CanonRumors and other websites in the past. Other posts by Richard CanonNews Contact author Facebook page Print Lens MountRFLens CategoryWideangle ZoomsLaunch Date10/11/2023Launch Year2023WeathersealingRear FilterDiameter (mm)84Length (mm)112Weight (g)570Min. Focal Length10Max Focal Length20Maximum Aperature4.00Min. Aperture22.00No of Element Groups12No of Elements16Diaphragm Blades9Launch Price$2,299.00Amazonamzn.to/41xQLMaB&H PhotoVideobhpho.to/4hheGp0Adoramaadorama.rfvk.net/6yE4kNPress AnnouncementGoing Wide: Canon introduces the RF 10-20mm F4 L IS STM to its lens lineup MELVILLE, NY, October 11, 2023 – Today, Canon U.S.A., Inc., a leader in digital imaging solutions, announced the launch of the RF10-20MM F4 L IS STM lens, a full-frame ultra wide- angle lens that can help the work of a professional photographer or serious enthusiast stand out from the crowd. Opening the door to supreme full-frame visual possibilities, the RF10-20MM F4 L IS STM lens continues Canon's respected reputation for optical excellence associated with L-series lenses. This new addition enhances optical performance with a modern mirrorless lens design that is fully equipped with key features, including: New Image Stabilization (IS) technology, to help minimize wide-angle "fluttering" at outer areas of frame Impressively compact size and light weight (1.25lbs/570g) at half the weight of EF series 11-24mm f/4 L lens Super quiet Canon STM focus drive motor, which is ideal for video and marking the first time this technology appears in a Canon L-series lens Speaking directly to the professional video and stills visual storyteller, the RF10-20MM F4 L IS STM features a built-in lens hood and lens function button on the barrel for customizing functions such as AF settings, Pre-Recording, Zebras and more. For landscapes, cityscapes, architectural, real estate and weddings, the RF10-20MM F4 L IS STM lens is a widely important lens for any professional to have at the ready. Price & Availability The Canon RF10-20MM F4 L IS STM lens is expected to be available in November for an estimated retail price of $2,299.00*. For more information, please visit usa.canon.com. * Specifications, availability and prices are subject to change without notice. Actual prices are set by individual dealers and may vary. Please login or register to post comments.