Richard CanonNews / Sunday, November 12, 2017 / Categories: Lens Catalog Canon EF 50mm f/1.8 STM Specifications for the Canon EF 50mm f/1.8 STM Lens Category and Release Details Lens Mount TypeEF Lens CategoryStandard Primes Launch DateMay, 2015 Initial Price$129.00 Lens Characteristics Diameter69mm Length39mm Weight159g Filter Thread49mm Rear Filter InstalledFalse WeathersealingFalse Focal Length50mm Number of Elements / Groups6/5 Maxiumum Aperture1.80 Minumum Aperture22.00 Minumum Focal Distance0.35m Number of Diaphragm Blades7 Purchase Links for the Canon EF 50mm f/1.8 STM Canon USA Canon USA Refurbished Amazon B&H PhotoVideo Adorama Features Aperture Range: f/1.8 to f/22 Optimized Lens Coatings STM AF Motor Supports Movie Servo AF Manual Focus Override Metal Lens Mount Rounded 7-Blade Diaphragm Minimum Focus Distance: 14" Previous Article Canon EF 11-24mm f/4L USM Next Article Canon EF 35mm f/1.4L II USM Print 1635 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.