Love it, best one for pros and so much better in low light!!!!

With an equivalent focal length of 25.6-56mm and an equivalent aperture of F4.5 there are better wide-angle APS-C options on the market such as the Tokina 11-16mm F2.8 AT-X116 Pro DX II Lens or the Sigma 18-35mm F1.8 Art DC HSM that can really take advantage of a fast aperture for a fraction of the...

The updated Canon 16-35mm F2.8L III offers some incredible performance wide open at 16mm. It's one of the sharpest wide angle zoom lens options on the market. Many of the issues such as coma, chromatic aberration and corner sharpness have all been addressed in this update and the results are impressive. The lens does suffer a bit in terms of sharpness at focal lengths beyond 24mm, but many of those issues can be resolved by stopping the lens down. If you're in the market to upgrade your 16-35mm F2.8L II or if you're looking for a fast wide-angle zoom, then this lens is an excellent option.

Low-light event photography, landscape, cityscape and architectural photography and those looking for a wide-angle zoom option for astrophotography.;

Portrait, studio work or macro photography;

very good

Taking into account the fact that the first lens of that type was launched already in 1996 and five years later the company showed a model with a bit wider focal range we were surprised that the next version of the lens, marked as II and launched in 2007, was a fail.

solid casing; excellent image quality in the frame centre; very good image quality on the edge of the APS-C sensor; good image quality on the edge of full frame; imperceptible longitudinal chromatic aberration; lack of serious problems with lateral chromatic aberration; moderate spherical...

a bit too high coma for the longer end of focal range; monstrous vignetting on full frame

Canon 16-35mm L lenses have an enviable reputation for quality and we now have the latest incarnation as the Mk III version. With a useful f/2.8 constant aperture and ultra-wide 16mm focal length this would be a versatile lens for much general work, including architecture, weddings and reportage.

I've owned all 3 iterations of Canon's 16-35 mm f:2.8 L zoom. The first model was okay for its day, and rendered good 'sunstars' in backlit images, but resolution was just adequate for 8 mp sensors and corners tended to go soft with color fringing at most apertures.

Prepare to be impressed: The Canon EF 16-35mm f/2.8L III USM Lens delivers outstanding image quality, far surpassing its predecessor, in a very well built, great-to-use lens that features a range of focal lengths that I consider a critical part of most full frame (and many APS-C format) kits.

The new Canon EF 16-35mm f/2.8L III USM is an outstanding but also very expensive ultra-wide-angle zoom lens that will appeal most to landscape, reportage and wedding photographers looking for a well-built, weather-proof optic with the main advantage of a fast and constant f/2.8 aperture for...

But to be honest, I didn't know what to expect from the beta version of the Canon 16-35mm f2.8 L USM III lens that I tried.