Canon’s new RF teleconverters don’t work with the RF 70-200mm f/2.8

Canon Extender RF 1.4x and Extender RF 2x
(Image credit: Canon)

After debuting them in February, Canon has launched its Extender RF 1.4x and Extender RF 2x teleconverters for the EOS R family of cameras. However, their reception has been somewhat dampened by their compromised compatibility with current RF lenses.  

Teleconverters are a great way to shoot at longer focal lengths, by extending the reach of your existing telephoto lenses, without the extra cost of investing in a whole new lens. This is especially useful with a young ecosystem like Canon’s full-frame mirrorless lineup.

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RF lenswith Extender RF 1.4xwith Extender RF 2x
Canon RF 600mm f/11 IS STM840mm f/161,200mm f/22
Canon RF 800mm f/11 IS STM1,120mm f/161,600mm f/22
Canon RF 100-500mm f/4.5-7/1 L IS USM420-700mm f/8-10600-1,000mm f/11-14
Canon RF 70-200mm f/2.8 IS USMNot compatibleNot compatible
Canon RF 28-70mm F2 L USMNot compatibleNot compatible

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