Designed to extend a lenses focal length by a factor of 2x, the 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, features careful lens placement and coatings to minimize ghosting, flare and chromatic aberration, and even has a new Fluorine coating that keeps soiling, smears, fingerprints to a minimum. The Extender EF 2X III meets necessary standards in terms of rugged, dustproof and water-resistant construction.

Canon Extender EF 2X III Specifications

• Magnification: 2.0x
• Lens Construction: 9 elements in 5 groups
• Max. Diameter x Length: 2.8 x 2.1 in, 11.5 oz. / 72.0 x 52.7mm,
• Weight: 325g