CANON EXTENDER EF 2X III

* Extends the focal length of the lens by a factor of 2

* Excellent imaging performance thanks to the new optical design and optimized AF performance

* Even more robust and protected against dust and splash water; ideal for use in difficult conditions

* Built-in microchip for effective communication between lens and camera

* Optimized coating to minimize flare and reflections

* Suitable for many Canon L-series telephoto and telephoto zoom lenses

* Fluorine coating to protect against water splashes and fingerprints