Weather-Sealed Excellent optical design with a construction of 9 elements in 5 groups to maintain the optical performance of the original lens. Weather and dust-resistant and operates at temperatures as low as -10°C.
Weather-Sealed The Canon Extender EF 2X III is designed for Canon L-series telephoto lenses. It increases the focal length of a lens by a factor of 2x while still delivering superb image quality. Perfect for photojournalists, nature and sports photographers.
Weather-Sealed The Canon Extender EF 1.4X III is designed for Canon L-series telephoto lenses. It increases the focal length of a lens by a factor of 1.4x while still delivering superb image quality. Perfect for photojournalists, nature and sports photographers.
