Richard CanonNews / Thursday, March 6, 2025 / Categories: Lens Catalog Canon RF 135mm F1.8 L IS USM Specifications for the Canon RF 135mm F1.8 L IS USM Lens Category and Release Details Lens Mount TypeRF Lens CategoryStandard Primes Launch DateNovember, 2022 Initial Price$2,099.00 Lens Characteristics Diameter89mm Length130mm Weight935g Filter Thread82mm Rear Filter InstalledFalse WeathersealingTrue Focal Length135mm - 135mm Number of Elements / Groups17/12 Maxiumum Aperture1.80 Minumum Aperture22.00 Minumum Focal Distance0.70m Number of Diaphragm Blades9 Purchase Links for the Canon RF 135mm F1.8 L IS USM Amazon B&H PhotoVideo Adorama MTF Plot of the Canon RF 135mm F1.8 L IS USM Lens Construction Diagram of Canon RF 135mm F1.8 L IS USM Previous Article Canon RF 15-30mm f/4.5-6.3 IS STM Lens Next Article Canon RF 24-50mm f/4.5-6.3 IS STM Print 41 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.