Richard CanonNews / Sunday, November 12, 2017 / Categories: Lens Catalog Canon EF 70-300mm f/4-5.6L IS USM Specifications for the Canon EF 70-300mm f/4-5.6L IS USM Lens Category and Release Details Lens Mount TypeEF Lens CategoryTelephoto Zooms Launch DateAugust, 2010 Initial Price$1,349.00 Lens Characteristics Diameter89mm Length143mm Weight1050g Filter Thread67mm Rear Filter InstalledFalse WeathersealingTrue Focal Length70mm - 300mm Number of Elements / Groups19/14 Maxiumum Aperture4.00 Minumum Aperture32.00 Minumum Focal Distance1.20m Number of Diaphragm Blades8 Purchase Links for the Canon EF 70-300mm f/4-5.6L IS USM Canon USA Canon USA Refurbished Amazon B&H PhotoVideo Adorama Aperture Range: f/4-45 2 Ultra Low Dispersion Lens Elements Two Mode Optical Image Stabilization Ultrasonic Autofocus Motor Inner and Rear Focusing System Manual Focus Override Minimum Focus Distance: 3.9' Protective Fluorine Lens Coating Dust and Water Resistant Sealing Previous Article Canon EF 8-15mm USM Fisheye Next Article Canon EF 400mm f/2.8L IS II USM Print 1416 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.