Canon EF 1.4X III Telephoto Extender for Canon Super Telephoto Lenses

Extending a lenses focal length by a factor of 1.4x Canon 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 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.

Note: This lens is only compatible with fixed focal length L-series lenses 135mm and over as well as the EF 70-200/2.8L EF 70-200/2.8L IS EF 70-200/4L and EF 100-400/4.5-5.6L.

• Focal Length & Maximum Aperture Magnification: 1.4x


• Lens Construction of 7 elements in 3 groups


• Max. Diameter x Length - 2.8" x 1.1" (72.0mm x 27.2mm)


• Weight - 7.9 oz (225g)

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