The Canon 1.4x EF Extender III is designed for Canon L-series telephoto lenses. The extender is perfect for photojournalists, nature and sports photographers who need to get close to distant and challenging subjects. The 1.4x EF Extender III increases the focal length of a lens by a factor of 1.4x while still delivering superb image quality. To ensure the best possible image quality in all shooting conditions, it also combines enhanced environmental protection, redesigned optics and improved data communication between lens and camera.
The extender allows professional photographers to shoot distant subjects without having to carry a number of heavy lenses. The 1.4x EF Extender III features three groups of seven elements, ensuring improved optical performance. All optical elements use Canon's Super Spectra coating, reducing ghosting and flare to minimize post-processing requirements. A new Fluorine Coating on the front and rear elements makes marks, such as spots left by water or fingerprints, much easier to clean than standard coatings.
To facilitate the accurate transfer of imaging data between the lens and camera body, the extender features an integrated processor which ensures all focusing, metering and ID information is available - allowing the photographer to capture crisp, well-exposed images. When combined with the latest range of premium Canon L-series lenses, these extenders enable higher AF accuracy, ensuring perfectly sharp shots, even when capturing moving subjects.
A carefully positioned lens release mechanism also makes it easy to mount the extenders quickly, reducing the time that the camera and lens are exposed to the environment. The extenders offer the exceptional build-quality expected from Canon's professional products, and are resistant to both dust and water, allowing photographers to use them in extreme shooting conditions.
Note: This teleconverter will only fit and work with a select list of lenses.
Designed for Canon L-series telephoto lenses
Carefully positioned lens release mechanism makes it easy to mount the extender quickly, reducing the time the camera and lens are exposed to the environment
Integrated processor ensures all focusing, metering and ID information is available
All optical elements use Canon's Super Spectra coating, reducing ghosting and flare
Fluorine Coating on the front and rear elements makes marks, such as spots left by water or fingerprints, much easier to clean
Resistant to both dust and water, allowing photographers to use them in extreme shooting conditions
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