Just like with any 2x teleconverter, the focal length of the attached lens is doubled, with a consequent aperture reduction of two f/stops. As such, a 70-200mm f/2.8 zoom effectively becomes roughly a ...

As a 1.4x teleconverter, the focal length of the attached lens is magnified by a factor of 1.4x, with a 1 f/stop reduction in aperture rating, so a 70-200mm f/2.8 zoom effectively becomes roughly a ...

We've spent a little time with the new Extender RF 1.4x and Extender RF 2x for Canon's full-frame mirrorless cameras, so ahead of our full review, check out our first impressions now... The Extender ...

Canon have launched four new RF lenses and two RF extenders today, bringing telephoto capabilities to the RF line-up as well as additional portrait and macro photography creative possibilities. The ...

Announced concurrently with the EOS R5 and EOS R6 cameras are two ground-breaking, lightweight and affordably-priced super telephoto RF lenses for enthusiast photographers. Canon’s new RF 600mm f/11 ...