Richard CanonNews / Monday, November 13, 2017 / Categories: Lens Catalog Canon EF-S 24mm f/2.8 STM Specifications for the Canon EF-S 24mm f/2.8 STM Lens Category and Release Details Lens Mount TypeEF-S Lens CategoryStandard Primes Launch DateSeptember, 2014 Initial Price$149.00 Lens Characteristics Diameter68mm Length23mm Weight125g Filter Thread52mm Rear Filter InstalledFalse WeathersealingFalse Focal Length24mm Number of Elements / Groups6/5 Maxiumum Aperture2.80 Minumum Aperture22.00 Minumum Focal Distance0.27m Number of Diaphragm Blades7 Purchase Links for the Canon EF-S 24mm f/2.8 STM Canon USA Canon USA Refurbished Amazon B&H PhotoVideo Adorama Features 38mm (35mm Equivalent) One Aspherical Element Optimized Lens Coatings STM AF Motor Supports Movie Servo AF Micro-Stepping Drive Aperture Mechanism Full-Time Manual Focus Override Rounded 7-Blade Diaphragm Slim Design Measures Less Than 1"-Thick Previous Article Canon EF-M 55-200mm IS STM Next Article Canon EF 400mm f/4 DO IS II USM Print 1408 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.