A Canon EF-S dual fisheye lens; one of the few native RF-S lenses from Canon, but not exactly a general-purpose optic | ...

[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 ...

A short telephoto focal length, combined with a large maximum aperture and fast autofocus speed, make the EF 85mm f/1.8 USM an ideal optic for any photographer shooting portraiture.

Canon has been making cameras for professionals and hobbyists for a very long time, and the EF lens mount that it introduced in 1987 saw well over 100 million lenses produced for it. That all ...

Canon's DSLR 24-70mm F2.8 topped this year's most-rented list but the number of EF-mount rentals as a whole fell. Image: Canon Camera and lens rental house LensRentals has published its annual top ...

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 ...

Megadap has announced the extended compatibility of its ETZ21 Pro and EFTZ21 adapters with the latest RED Cinema Cameras that ...