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.

Canon announces the development of the RF 100-500mm f/4.5-7.1 L IS USM, Extender RF 1.4x and Extender RF 2x.

Canon announces the development of the RF 100-500mm f/4.5-7.1 L IS USM, Extender RF 1.4x and Extender RF 2x.

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 ...

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 ...

At $11,799, the flexible supertelephoto lens remains out of reach of all but the wealthiest photographers. Some pros shooting sports and wildlife are bound to pay up, though. Stephen Shankland worked ...

Highlighting Canon’s ongoing commitment to the EOS R System and the RF Mount, today’s additions, alike the rest of the RF line-up, take advantage of the System – enabling photographers to experience ...

It's a telephoto prime with a built-in teleconverter, letting photographers switch between two focal lengths in seconds. Here ...

Canon's EF 200-400 lens delivers terrific optics and unmatched zoom flexibility with an innovative built-in 1.4x telephoto extender. Stephen Shankland Former Principal Writer Stephen Shankland worked ...

Canon's EF 200-400mm f/4L IS USM Extender 1.4x ($10,999) is a behemoth of a lens that ships in a hard carrying case. It's not a good choice for the weak of back, but its optical performance is superb, ...