Richard CanonNews / Friday, March 7, 2025 / Categories: Lens Catalog Canon RF 28mm F2.8 STM Specifications for the Canon RF 28mm F2.8 STM Lens Category and Release Details Lens Mount TypeRF Lens CategoryWideangle Primes Launch DateMay, 2023 Initial Price$299.00 Lens Characteristics Diameter69mm Length25mm Weight120g Filter Thread55mm Rear Filter InstalledFalse WeathersealingFalse Focal Length28mm - 28mm Number of Elements / Groups8/6 Maxiumum Aperture2.80 Minumum Aperture22.00 Minumum Focal Distance0.23m Number of Diaphragm Blades7 Purchase Links for the Canon RF 28mm F2.8 STM Amazon B&H PhotoVideo Adorama Previous Article Canon RF 100-300mm f/2.8 L IS USM Next Article Canon RF 10-20mm F4 L IS STM Print 50 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.