The first part of a Canon lens name refers to the lens mount, a quick indication of what cameras the lens works with. Canon ...

Canon’s RF 16-28mm f/2.8 IS STM is a full-frame wide angle zoom with weather sealing, IS and a budget-friendly price ...

Canon has made lenses in five different lens mounts during the digital era. You'll see either EF, EF-S, EF-M, RF, or RF-S to start the lens name. EF lenses are made for full-frame SLRs ...

[Dan K] had just such a lens from Sigma, but wanted to get it working fully with a camera using the Canon EF lens fitting. Hacking ensued. The lens in question was a Sigma 15-30mm f/3.5-4.5 EX DG ...

But when [Loudifier] needed an extension tube to do extreme close-ups with a wide-angle lens on a Canon EF-M camera, it needed to be small…really small. The final 3D printed extension provides ...

There will be no more EOS M cameras, and Canon no longer produces the EF-M lenses used by the system. So even though it's a flagship caliber camera, is there any mileage in the Canon M6 Mark II?