CanonNews / Sunday, November 12, 2017 / Categories: Lens Catalog Canon EF 17-40mm USM Aperture Range: f/4-22 Three Aspherical Elements, One Super UD Ultrasonic Autofocus Motor Manual Focus Override Water and Dust Resistant Internal Zooming and Focusing Truly Circular Diaphragm 77mm Front Filter Diameter Rear Holder for Three Gel Filters Previous Article Canon EF 16-35mm f/4L IS USM Next Article Canon EF 180mm f/3.5L Macro USM Print 1156 Lens MountEFLens CategoryWideangle ZoomsLaunch Date2/27/2003Launch Year2003WeathersealingFilter Thread77Rear FilterDiameter (mm)84Length (mm)97Weight (g)500Min. Focal Length17Max Focal Length40Maximum Aperature4.00Min. Aperture22.00Min Focus Distance0.28No of Element Groups9No of Elements12Diaphragm Blades7Launch Price$799.00Amazonamzn.to/2iHUYLtCanon USAbit.ly/2ie4RNfCanon USA Refurbishedbit.ly/2ie51nPB&H PhotoVideobit.ly/2AF5uI6Adoramabit.ly/2AEbJMq Please enable JavaScript to view the comments powered by Disqus.blog comments powered by Disqus