Canon is rumored to release two more super-telephoto prime lenses in early 2022. These two lenses will be RF 300mm f/2.8L IS USM lens and RF 500mm f/4L IS USM lens.
The Canon RF 300mm f/2.8L and RF 500mm f/4L are said to be much lighter and shorter than their EF mount counterparts. In addition, Canon may actually release the RF mount version of the 300 f/2.8 as a zoom.
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