Master Lens Focal Length Extension
The Canon Extender EF 1.4x III is specially designed to work in conjunction with L-series super-telephoto lenses, extending their focal length by a factor of 1.4x while still delivering superb image quality.
High-quality Optics and Construction
The Canon Extender EF 1.4x III boasts 7 elements in 3 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 Camera
The Canon Extender EF 1.4x III integrates a microprocessor to provide accurate transfer of data from between the lens and camera, delivering an improved performance in AF and metering.
