Canon EF 1.4X III Extender Telephoto Multiplier 1.4x Magnification for Super Telephoto EF Lenses (White) - New

Professional Focal Length Multiplication

The Canon EF 1.4X III Extender increases the focal length of compatible Canon super telephoto lenses by a factor of 1.4x, effectively turning a 300mm lens into a 420mm powerhouse. Built with 7 optical elements arranged in 3 groups, this extender delivers phenomenal optical performance with minimal chromatic aberration. The advanced optical design ensures your images retain sharpness and clarity even with the extended reach, making it an essential tool for wildlife, sports, and nature photographers who need extra distance without carrying additional heavy lenses.

Advanced Optical Coatings & Communication

Equipped with a built-in microcomputer, this extender maintains seamless communication between your camera body and lens, preserving full autofocus and metering functionality. The careful lens placement and specialized coatings minimize ghosting and flare, while the innovative Fluorine coating on the front and rear elements repels dust, water, smears, and fingerprints. This protective coating makes cleaning effortless and helps maintain optimal image quality in challenging shooting conditions.

Weather-Sealed Professional Construction

Engineered to match the rugged standards of Canon's professional L-series lenses, the EF 1.4X III features dustproof and water-resistant construction throughout. Measuring just 2.8 inches in diameter by 1.1 inches in length and weighing only 7.9 ounces (225g), this compact extender adds minimal bulk to your camera bag while delivering maximum versatility. The lightweight yet durable build ensures reliable performance in harsh field conditions, from rain-soaked forests to dusty savannas.

Compact Design for On-the-Go Shooting

At under 8 ounces, the EF 1.4X III Extender fits easily into any camera bag without adding significant weight to your kit. The white exterior finish matches Canon's super telephoto lens lineup and helps reflect heat during extended outdoor shooting sessions. Compatible with a wide range of Canon EF super telephoto and telephoto lenses, this extender integrates seamlessly into professional workflows, offering a cost-effective alternative to purchasing longer focal length lenses.