Richard CanonNews / Friday, March 7, 2025 / Categories: Lens Catalog Canon RF 10-20mm F4 L IS STM Specifications for the Canon RF 10-20mm F4 L IS STM Lens Category and Release Details Lens Mount TypeRF Lens CategoryWideangle Zooms Launch DateOctober, 2023 Initial Price$2,299.00 Lens Characteristics Diameter84mm Length112mm Weight570g Filter Threadmm Rear Filter InstalledFalse WeathersealingTrue Focal Length10mm - 20mm Number of Elements / Groups16/12 Maxiumum Aperture4.00 Minumum Aperture22.00 Minumum Focal Distancem Number of Diaphragm Blades9 Purchase Links for the Canon RF 10-20mm F4 L IS STM Amazon B&H PhotoVideo Adorama Previous Article Canon RF 28mm F2.8 STM Next Article Canon RF-S 10-18mm F4.5-6.3 IS STM Print 56 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 Please login or register to post comments.