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 announced four new RF lenses for the RF-mount, plus two new extenders. New lenses are the 85mm Macro, 100-500mm telephoto zoom, 600mm, and 800mm lenses.

We've spent a little time with the brand new RF 100-500mm F4.5-7.1L IS USM zoom lens for Canon's full-frame mirrorless cameras, so ahead of our full review, check out our first impressions now... This ...

Canon’s new RF lenses bring a desperately needed feature to its mirrorless EOS R system: Affordability. The four lenses announced on Thursday, July 9, are the RF 85mm f/2 Macro, RF 100-500mm f/4.5-7.1 ...