Richard @ CanonNews / Thursday, November 6, 2025 / Categories: Lens Catalog Canon RF 45mm F1.2 STM Specifications for the Canon RF 45mm F1.2 STM Lens Category and Release Details Lens Mount TypeRF Lens CategoryStandard Primes Launch DateNovember, 2025 Initial Price$479.00 Lens Characteristics Diameter78mm Length75mm Weight346g Filter Thread67mm Rear Filter InstalledFalse WeathersealingFalse Focal Length45mm - 45mm Number of Elements / Groups9/7 Maxiumum Aperture1.20 Minumum Aperture16.00 Minumum Focal Distance0.45m Number of Diaphragm Blades9 Purchase Links for the Canon RF 45mm F1.2 STM Amazon B&H PhotoVideo MTF Plot of the Canon RF 45mm F1.2 STM Lens Construction Diagram of Canon RF 45mm F1.2 STM Full-Frame | f/1.2 Maximum Aperture Compact, Lightweight Prime Lens STM Stepping AF Motor Customizable Control Ring Aspherical Element Reduces Aberrations Previous Article Canon RF 85mm F1.4 L VCM Print 22 Tags: Canon RF 45mm F1.2 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 Please login or register to post comments.