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 ...

The Mark III edition of this Canon 1.4x Extender, or teleconverter, is the latest (and probably last) in the EF-mount series, designed for Canon cameras and compatible EF-mount Canon telephoto lenses.

Over the years Canon has produced a number of lenses with built-in teleconverters, but so far the RF mount has been left out of Canon's plans. This looks set to change with the first credible rumors ...

Alongside today’s launch of EOS R5 and EOS R6 – two cameras reimaginging mirrorless joining Canon’s revolutionary EOS R System – Canon Europe ( www.Canon-Europe.com ) reveals four new RF lenses and ...