Extend the reach of your lens without losing image quality.
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.
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
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 Canons flagship professional L-series range, extending the
focal length while only reducing the effective aperture of the lens by one stop.