Expand your versatility with Canon's Extender RF2x. An ideal complement to sports and wildlife photographers, this dust-and water-resistant extender features a smart-connect design that attaches effortlessly to select RF series lenses*, increasing the focal length by a factor of 2x. Engineered with a combination of advanced optics, optimized coatings and high-quality construction - including a heat shield exterior - the Extender RF2x keeps chromatic aberration, ghosting and overheating to a minimum, delivering exceptional results in situations where getting closer to your subjects matters.

Specifications:

Focal Length & Maximum Aperture: Magnification: 2.0x

Lens Construction: 9 elements in 5 groups

Max. Diameter x Length, Weight: 2.8 x 1.5 in., 12.0 oz. / 71.2 x 39.3 mm, 340g

Note: This extender is only compatible with the following RF lenses:
RF600mm F11 IS STM, RF800mm F11 IS STM, RF100-500mm F4.5-7.1 L IS USM.

Use is not accessible with previous RF lenses. Additionally, please see the lens and/or camera body manual for full compatibility information with the Extender RF2x.