Richard CanonNews / Thursday, March 6, 2025 / Categories: Lens Catalog Canon RF 800mm F5.6L IS USM Specifications for the Canon RF 800mm F5.6L IS USM Lens Category and Release Details Lens Mount TypeRF Lens CategorySuper-Telephoto Primes Launch DateFebruary, 2022 Initial Price$16,999.00 Lens Characteristics Diameter163mm Length432mm Weight3140g Filter Thread52mm Rear Filter InstalledTrue WeathersealingTrue Focal Length800mm - 800mm Number of Elements / Groups26/18 Maxiumum Aperture5.60 Minumum Aperture64.00 Minumum Focal Distance2.60m Number of Diaphragm Blades9 Purchase Links for the Canon RF 800mm F5.6L IS USM Amazon B&H PhotoVideo Adorama MTF Plot of the Canon RF 800mm F5.6L IS USM Lens Construction Diagram of Canon RF 800mm F5.6L IS USM Previous Article Canon RF 1200mm f/8 L IS USM Next Article Canon RF-S 18-150mm F3.5-6.3 IS STM Print 45 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.