The Canon RF 1.4x Extender extends to the reach of select Canon RF-mount lenses, magnifying image by 1.4x. When in use, It retains full communication between lens and camera body to permit metering, autofocus, image stabilisation, and transmission of Exif data. The robust Extender RF is dust- and water-resistant, and features a heat shield exterior to support optimal performance in a range of conditions. Compatible lenses: RF 100-500mm f/4.5-7.1L IS USM (functions within the 300-500mm range) RF 600mm f/11 IS STM RF 800mm f/11 IS STM
