Richard CanonNews / Sunday, November 12, 2017 / Categories: Lens Catalog Canon EF 50mm f/1.4 USM Specifications for the Canon EF 50mm f/1.4 USM Lens Category and Release Details Lens Mount TypeEF Lens CategoryStandard Primes Launch DateJune, 1993 Initial Price$349.00 Lens Characteristics Diameter74mm Length50mm Weight290g Filter Thread58mm Rear Filter InstalledFalse WeathersealingFalse Focal Length50mm Number of Elements / Groups7/6 Maxiumum Aperture1.40 Minumum Aperture22.00 Minumum Focal Distance0.45m Number of Diaphragm Blades8 Purchase Links for the Canon EF 50mm f/1.4 USM Canon USA Canon USA Refurbished Amazon B&H PhotoVideo Adorama Aperture Range: f/1.4-22 Two High Refraction Lens Elements Gaussian Optics Eliminate Astigmatism Ultrasonic Autofocus Motor Manual Focus Override Infrared Index Minimum Focus Distance: 17.8" Filter Thread Diameter: 58mm Previous Article Canon EF 400mm f/5.6L USM Next Article Canon EF 70-200mm f/2.8L USM Print 1593 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.