The best EF-mount zoom lenses mean that you and your Canon DSLR are prepared for any eventuality. Allowing you to cover a ...

There are so many EF lenses out there that this means ... Find out more below Best for: a full-frame standard zoom Canon makes three lenses in this range; A 24-70mm f/2.8 aimed at pros, a 28-70mm ...

[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 ...