Replay: Putting an EF lens onto an EF mount camera body does not always guarantee compatibility. Here's why you might sometimes encounter problems on third party systems. To put it mildly, Canon has ...

Launched in 2021, the Canon EF 400mm f/4 DO IS USM was a compact telephoto that was smaller and lighter than every similar ...

Back in March 2014, we took a look at the Metabones Canon EF Adapter, which allowed Canon EF mount lenses to be used on the Sony A-series cameras with full support for electronic aperture and EXIF ...

MELVILLE, N.Y.—Canon U.S.A. has launched a new series of lenses for the company's EF Cinema Lens lineup — the Flex Zoom Lens series of lenses, which were developed to create cinema-style productions ...

Replay: Phil Rhodes looks at the most commonly used lens mounts in the industry, what they're used for, and what adaptation options there are for users to prevent lock-in to a technology that may not ...

These days, camera lenses aren’t just simple bits of glass in sliding metal or plastic housings. They’ve often got a whole bunch of electronics built in as well. [Dan K] had just such a lens from ...

This new EF-S mount Macro lens from Canon is designed to be used with the APS-C sized sensors of the 300D, 350D and 20D cameras only. With a crop factor of 1.6x it gives an equivalent length in 35mm ...

Need a lens for your Canon DSLR? Take a look at our guide to the best Canon EF lenses you can buy, with budget-friendly ...

Back in March 2014, we took a look at the Metabones Canon EF Adapter, which allowed Canon EF mount lenses to be used on the Sony A-series cameras with full support for electronic aperture and EXIF ...

These days, camera lenses aren’t just simple bits of glass in sliding metal or plastic housings. They’ve often got a whole bunch of electronics built in as well. [Dan K] had just such a lens from ...