Canon Extender EF 1.4x III

Overview
The Extender EF 1.4x III is a compact and versatile accessory that extends the focal length of Canon L-series telephoto and telephoto zoom lenses by 1.4x. It is highly recommended for press, sports, and nature photography, providing outstanding image quality and improved communication between the lens and camera. The extender also features optimised lens coatings and is highly resistant to dust and water, making it a reliable tool for any professional photographer.

Constructed with high-quality materials, the Extender EF 1.4x III ensures there is no loss of lens performance or image quality. It is specially designed to work with L-series IS super-telephoto lenses, and its built-in microprocessor allows for accurate transfer of data between the lens and camera, resulting in improved AF and metering performance. Additionally, this extender is compatible with most telephoto and telephoto zoom lenses within Canons flagship professional L-series range, making it a valuable addition to any photographers gear.

Included in box
1x Canon 1.4x III EF Extender

About the Canon Extender EF 1.4x III
Ideal for press, sports and nature photography, this compact extender increases the focal length of Canon L-series telephoto or telephoto zoom lens’ by a factor of 1.4x, with higher AF accuracy and improved communication between camera and lens.

Extend the reach of your lens without losing image quality.

Focal length extension for super-telephoto lenses
The Extender EF 1.4x III is specially designed to work in conjunction with L-series IS super-telephoto lenses, extending their focal length by a factor of 1.4x. The extender’s design ensures there is no loss of lens performance or image quality.

High-quality construction
Improved anti-reflection materials inside the lens-barrel and a coating around the outer edges of the lens elements reduce flare. Construction is resistant to dust and water, helping to maintain images quality.

Improved communication between lens and camera
A built in microprocessor provides accurate transfer of data from between the lens and camera delivering an improved performance in AF and metering.

Compatible with L-Series telephoto and telephoto zoom lenses
The Extender EF 1.4x III is compatible with most telephoto and telephoto zoom lenses within Canon’s flagship professional L-series range, extending the focal length while only reducing the effective aperture of the lens by one stop.

Lens construction (elements/groups) 7/3
Dust/moisture resistance Yes (1)
Max. diameter x length (mm) 72.0 x 27.2
Weight(g) 225
Soft case LP811
Dust/moisture resistance (1) Lenses with dust/moisture resistance are fitted with a rubber ring on the lens mount which may cause sligth abrasion of the camera mount. This in no way affects either the lens or camera performance.

Extends the master lens focal length by 1.4x
Outstanding image quality
Highly resistant to dust and water
Improved communication between lens and camera
Optimised lens coatings
Compatible with L-Series telephoto and telephoto zoom lenses