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Extending a lenses focal length by a factor of 1.4x, Extender EF 1.4X III incorporates phenomenal optical performance with minimal chromatic aberration and is a perfect complement to many of Canon super telephoto lenses. It features a built-in microcomputer for seamless communication among camera body, lens and extender; features careful lens placement and coatings to minimize ghosting and flare and even has a new Fluorine coating that keeps soiling, smears and fingerprints to a minimum. An integral part of many professional systems, Extender EF 1.4X III maintains high standards not only optically, but also in terms of rugged, dustproof and water resistant construction.

Step up from built-in laptop optics with a webcam that delivers crisp, smooth and colorful widescreen HD 720p video with a 60° diagonal field of view, fixed focus and auto light correction that adjusts to the illumination of any meeting space.The single, omnidirectional mic features noise-reduction technology and is engineered to support clear, natural conversation up to 3 meters away, even in busy environments like open workspaces and classrooms. Plus, the extra-long USB-A cable and universal clip let you position the webcam on your computer or mount up to 7 ft/2 m away.

Attaches directly to the front of the camera's lens, allowing the use of 67mm optical filters.

The Canon 77 mm Protect Lens Filter is a clear filter that helps to guard your front lens element from dust and scratches. Designed to fit lenses with a filter thread of 77 mm, you can leave this clear filter on your lens during use as it has no impact the colour balance.