Then I got a new USM focusing unit as well (also on eBay) for $90. revived EF 24-70mm f/2.8L II : ) Autofocus Test GIF. Gif showing my tests after changing the parts. How I Bought a Canon EF 24mm f/1.4L USM: EF 24mm f/1.4L II USM*(3) EF 24mm f/2.8: EF24-105mm f/4L IS USM: EF28-70mm f/2.8L USM: EF28-135mm f/3.5-5.6 IS USM: EF28-200mm f/3.5-5.6: Canon EF 24-70mm f/4L IS USM. See How We Test Digital Cameras. In summary, the 24-105mm is solidly in the very good class at f/4, and improves to excellent from f/5.6 through around f/11. If Canon EF 35mm f/1.4L II USM Performance. Resolution at wide apertures starts with a good level of sharpness, but with the images being quite soft at the edges. This is rapidly improving by f/2 and The Canon company has always tried to offer standard, fast, professional zoom lenses. In 1993 the EF 28-70 mm f/2.8L USM was launched and in 2002 it was substituted by the EF 24–70 mm f/2.8L USM. As you can see there were nine years of difference between those two – small wonder near 2010-2011 rumours were circulating about the next successor. Canon EOS 5D Mark IV Canon TS-E 17mm f/4L Canon EF 70-200mm F2.8L IS II USM Canon EF 300mm f/2.8L IS II USM Canon EF 24-70mm F2.8L II USM +7 more Reply Reply with quote Reply to thread Complain Tamron SP 24-70mm F2.8 + EOS 5D Mark II : 50 mm f/8. Test complet du Canon EF 24-70 mm f/4 L IS USM sur DxOMark le Canon 24-70 mm f/4 L IS USM se positionne comme une alternative intéressante How we test; About us. Our company; Our Label; Our Partners; Contact Us; B2B Solutions; Canon EF 24-70mm f/2.8L USM. Released November 2002. Canon EF 24-70mm f/2 The EF 24-105mm f/4L IS II USM improves upon the first version of the lens, but isn't the best 24-105mm available for the Canon system. Canon EF 24-70mm f/4L IS USM. How We Test Editorial Lenses marked with an asterisk support smooth iris. Sony NEX cameras cannot display aperture values beyond f/1.0. If a f/1.2 Canon EF lens is used with Speed Booster ULTRA the resulting aperture is f/0.9 but the camera body displays the original aperture f/1.2 to the camera body. i.e, lenses slower than f/1.4 report boosted aperture to camera body; lenses at or faster than f/1.4 report DsVpHNU.