Richard CanonNews / Thursday, March 6, 2025 / Categories: Lens Catalog Canon RF 100-400mm F5.6-8 IS USM Specifications for the Canon RF 100-400mm F5.6-8 IS USM Lens Category and Release Details Lens Mount TypeRF Lens CategoryTelephoto Zooms Launch DateSeptember, 2021 Initial Price$649.00 Lens Characteristics Diameter80mm Length165mm Weight635g Filter Thread67mm Rear Filter InstalledFalse WeathersealingFalse Focal Length100mm - 400mm Number of Elements / Groups12/9 Maxiumum Aperture32.00 Minumum Aperture5.60 Minumum Focal Distance0.88m Number of Diaphragm Blades9 Purchase Links for the Canon RF 100-400mm F5.6-8 IS USM Amazon B&H PhotoVideo Adorama MTF Plot of the Canon RF 100-400mm F5.6-8 IS USM Lens Construction Diagram of Canon RF 100-400mm F5.6-8 IS USM Previous Article Canon RF 16mm F2.8 STM Next Article Canon RF 1200mm f/8 L IS USM Print 58 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.