Designed to extend a lenses focal length by a factor of 2x, the redesigned Canon Extender EF 2X III delivers optical performance on par with the finest Canon super telephoto lenses. It features a built-in microcomputer for seamless communication among camera body, lens and extender. It also features careful lens placement and coatings to minimize ghosting, flare and chromatic aberration. It also has a new Fluorine coating that keeps soiling, smears and fingerprints to a minimum. Extender EF 2X III meets necessary standards in terms of rugged, dustproof and water-resistant construction, and should be in every professional's camera bag.
- Master Lens Focal Length ExtensionThe Canon Extender EF 2x III is specially designed to work in conjunction with L-series super-telephoto lenses, extending their focal length by a factor of 2x while still delivering superb image quality.
- High-quality Optics and ConstructionThe Canon Extender EF 2x III boasts 9 elements in 5 groups with Canon’s Super Spectra coating to minimize ghosting and flare. The front and rear elements are treated with Fluorine Coating which actively repels water, dust and dirt, making it easier to clean the extender while helping maintain image quality.
- Improved Communication between Lens and CameraThe Canon Extender EF 2x III integrates a microprocessor to provide accurate transfer of data from between the lens and camera, delivering an improved performance in AF and metering.