Canon Extender EF 1.4x III
Canon Professional CamerasIdeal for press, sports and nature photography, this compact extender increases the focal length of Canon L-series telephoto or telephoto zoom lenses by a factor of 1.4x, with higher AF accuracy and improved communication between camera and lens.
- 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
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 |
Yes¹ |
Max. diameter x length (mm) |
72.0 x 27.2 |
Weight (g) |
225 |
Soft case |
LP811 |