Richard CanonNews / Monday, November 13, 2017 / Categories: Lens Catalog Canon EF-M 22mm STM Specifications for the Canon EF-M 22mm STM Lens Category and Release Details Lens Mount TypeEF-M Lens CategoryStandard Primes Launch DateJuly, 2012 Initial Price$249.00 Lens Characteristics Diameter61mm Length24mm Weight105g Filter Thread43mm Rear Filter InstalledFalse WeathersealingFalse Focal Length22mm Number of Elements / Groups7/6 Maxiumum Aperture2.00 Minumum Aperture22.00 Minumum Focal Distance0.15m Number of Diaphragm Blades7 Purchase Links for the Canon EF-M 22mm STM Canon USA Canon USA Refurbished Amazon B&H PhotoVideo Adorama Features: Moderate Wide-Angle Lens Bright f/2 Lens Aperture Exceptional Low-Light Performance One Aspheric Lens Element Built-In Stepping Motor Smooth & Continuous AF Seven Blade Circular Aperture Short Minimum Focusing Distance of 5.9" Previous Article Canon EF 40mm f/2.8 STM Next Article Canon EF-M 18-55mm IS STM Print 1616 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.