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 ...

Not only will you find the best Canon EF lenses, but also some of the best Canon EF lens deals, as our ‘Buy now’ buttons are ...

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.

The 16mm F1.4 lens is the largest prime lens of the bunch, with the widest perspective, equivalent to 24mm. It measures 90.3mm in length and weighs 14.6oz / 415g, while its perspective is similar to ...

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 ...