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 ...

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 ...

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 ...

Canon has updated its range of super-telephoto lenses with two new optics that are designed to be used with mirrorless cameras, expanding the popular RF lens range with 800mm and 1200mm focal lengths.

Canon have unveiled two lens extenders designed for its L-series range of new super-telephoto lenses. Designed for photojournalists, nature and sports photographers who need to get close to distant ...

Canon has unveiled two new super-telephoto prime lenses for full-frame mirrorless RF-mount cameras. The new Canon RF 800mm F5.6L IS USM and Canon RF 1200mm F8 L IS USM will both be available at the ...