Outstanding Optical performance OS image stabilisation system HSM AF motor with increased torque Four aspeherical lens elements 3 year SIGMA UK warranty Sigma lenses feature up to three types of ...

The optical formula of the Canon EF 24-70mm f/4L IS USM integrates two aspherical and two UD glass lenses as well as an ultra-low dispersion lens, and benefits from a Super Spectra coating to ensure ...

[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 ...

The Canon EF 24-70 f/2.8L II USM is a professional full-frame zoom lens, suitable for covering a wide variety of areas, including wedding, landscape, portraiture, street and fashion photography. With ...

There are a number of interesting things to note in the numbers, the most obvious being that Canon EF-mount lenses and cameras moved up in popularity, with the DSLR 24-70 and 70-200mm ... with 13.82% ...

Canon's DSLR 24-70mm F2.8 topped this year's most-rented list but the number of EF-mount rentals as a whole ... with 13.82% YoY growth. Sigma and Blackmagic Design saw some decreases, while ...