Canon Extender EF 1.4 x III

Canon EF Extender 1.4x III - Ideal for press, sports and nature photographers, this compact extender extends the focal length of Canon L-series telephoto or telephoto zoom lenses by a factor of 1.4 with optimized AF performance and communication between camera and lens.
Premium Construction
Optimized materials in the lens barrel for reflection reduction and coating on the outer edges of the lenses reduce aperture reflections. The extender is excellently protected against dust and splash water - this also contributes to the high imaging quality.

Optimized communication between lens and camera

The integrated microprocessor ensures precise data transfer of subject parameters between lens and camera. This ensures precise automatic focusing.

Suitable for many Canon L-series telephoto and telephoto zoom lenses
The Extender EF 1.4x III is suitable for most Canon L-series professional telephoto and telephoto zoom lenses. It extends the focal length while reducing the effective aperture of the lens by one stop.