Elements ii

Ideal for press, sports and nature photography, the extender increases the focal length of Canon L-series telephoto or telephoto zoom lens’ by a factor of 2x, with higher AF accuracy and great communication between camera and lens. Features: Extends the master lens focal length by 2x Outstanding image quality Highly resistant to dust and water Great communication between lens and camera Optimized lens coatings Compatible with L-Series telephoto and telephoto zoom lenses Focal length extension for super-telephoto lenses The Extender EF 2x III is specially designed to work in conjunction with L-series IS super-telephoto lenses, extending their focal length by a factor of 2x. The extender's design ensures there is no loss of lens performance or image quality. High-quality construction Anti-reflection materials inside the lens-barrel and a coating around the outer edges of the lens elements reduce flare. Construction is resistant to dust and water, helping to maintain images quality. Great communication between lens and camera Compatible with L-Series telephoto and telephoto zoom lenses The Extender EF 2x III is compatible with most telephoto and telephoto zoom lenses within Canon’s flagship professional L-series range, extending the focal length by 2 times while only reducing the effective aperture of the lens by two stops. Note: Only fits on Canon's white tele-photo lenses. AF only possible on f/2.8 fixed aperture lenses and faster.

EF-Mount Lens/Full-Frame Format Aperture Range: f/4 to f/32 One Fluorite Element and Two UD Elements Super Spectra Coating Ring-Type Ultrasonic Motor AF System

Features:- - EF Mount L-Series Lens - 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 In the Box - Canon EF 17-40mm f/4L USM Lens - E-77 II 77mm Lens Cap - Lens Dust Cap E (Rear) - EW-83E Lens Hood - Lens Case LP1319 - Limited 1-Year Warranty