Richard CanonNews / Sunday, November 12, 2017 / Categories: Lens Catalog Canon EF 16-35mm f/2.8 III USM Specifications for the Canon EF 16-35mm f/2.8 III USM Lens Category and Release Details Lens Mount TypeEF Lens CategoryWideangle Zooms Launch DateOctober, 2016 Initial Price$2,199.00 Lens Characteristics Diameter89mm Length128mm Weight790g Filter Thread82mm Rear Filter InstalledFalse WeathersealingTrue Focal Length16mm - 35mm Number of Elements / Groups16/11 Maxiumum Aperture2.80 Minumum Aperture22.00 Minumum Focal Distance0.28m Number of Diaphragm Blades9 Purchase Links for the Canon EF 16-35mm f/2.8 III USM Canon USA Amazon B&H PhotoVideo Adorama Features Aperture Range: f/2.8 to 22 Three Aspherical & Two UD Elements Subwavelength & Air Sphere Coatings Ring-Type Ultrasonic Motor AF System Internal Focus; Full-Time MF Override Fluorine Coating on Exposed Elements Dust- and Water-Resistant Construction Rounded 9-Blade Diaphragm Previous Article Canon EF 70-300mm f/4-5.6 IS II USM Next Article Canon EF-S 18-55mm f/4-5.6 IS STM Print 1446 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.