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Canon RF Extender 1.4x

RF-Mount Teleconverter

1.4x Magnification Factor

Maintains Metering, Autofocus, and IS

Dust and Water Resistant


Canon RF Extender 1.4x

Extend the reach of select Canon RF-mount lenses with the Canon Extender RF 1.4x. This teleconverter magnifies the image by 1.4x and retains full communication between the lens and camera body, enabling metering, autofocus, and image stabilization as well as the transmission of Exif data. Additionally, the Extender RF is dust and water resistant and has a heat shield exterior to ensure optimal performance in a range of conditions.

Canon RF Lens Compatibility

  • Canon RF 100-500mm f/4.5-7.1L IS USM (can only be used within 300-500mm range)
  • Canon RF 600mm f/11 IS STM
  • Canon RF 800mm f/11 IS STM

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Built from the ground up

The EOS R System and RF Mount takes the heritage of the existing EOS System to new heights. Designed in line with technological advancements and end user feedback when developing the EOS R System, Canon engineers considered the ease of handling and potential to expand the lens portfolio in the future.

Quality by design

The RF lens mount enables a radical new optical design, allowing large lens elements to be placed as near to the sensor as possible, allowing light to hit the sensor straight on. This reduces optical aberrations, increasing the quality of the image.

Engineered for flexibility

The mount’s short back focus and wide 54mm mount diameter has made it possible for Canon optical engineers to have a new degree of freedom in order to create a new generation of optics – it provides an ideal balance between reducing the size of the system, high-quality images and high-spec performance.