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The Canon RF 2x Extender effectively extends the focal length of certain Canon RF lenses by a factor of 2x. The extender retains communication between the lens and camera body in all aspects, allowing for seamless operation when in use.
Compatible with the RF 100-500mm IS STM, 600mm f11 IS STM, & 800mm f11 IS STM Lenses
When used with RF 100-500mm IS STM, lens zoom range is limited to 300mm-500mm
Metering, Autofocus, and Image Stabilization are retained while in use
Reduction in light gathering ability by 2 stops
Maximum Magnification Ratio
9 elements in 5 groups
Dimensions (Ø x L)
2.8 x 1.5 in., 12.0 oz. / 71.2 x 39.3 mm
12.0 oz / 340 g
RF 100-500mm f/4.5-7.1L IS USM
(can only be used within 300-500mm range)
RF 600mm f/11 IS STM
RF 800mm f/11 IS STM
5.0Based on 2 Reviews
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I bought the extender to use with the new Canon RF 100-500mm f/4.5-7.1L IS USM Lens. It works beautifully. It can be used when the lens is at 300mm to 500mm and provides great photos. I am really happy with its performance.