Well, it's impossible to review that Sigma lens without comparing it to the Canon.Find the Sigma lens here (Amazon affiliate link) (Be sure to get the right It is not a true macro lens, but with a maximum magnification of 0.70X, it is a lot closer than the other 24-70mm lenses and the 24-105mm. Compared to the EF 24-105mm f/4L IS in terms of sharpness the EF 24-70mm f/4L IS is sharper at 24mm (most notably on the edges), less sharp at 50mm, and only slightly less sharp at 70mm when the aperture is The Canon EF 24-105/4L IS USM is a very nice lens indeed. On a full frame DSLR it has an ideal focal length range for a single general purpose lens, with applications ranging from landscapes to portraits. It can be used wide open at f4 and still yield very sharp images and with the 3 stops of stabilization which the IS system provides, it's Canon has today announced two new EF lenses; the 24 - 105 mm F4.0L IS USM and the 70 - 300 mm F4.0 - F5.6 IS USM. Of these two lenses the former will perhaps be the most interesting, promising a high quality wide zoom range in a relatively lightweight package and image stabilization it clearly lends it self to be the perfect partner lens for the new EOS 5D. Indeed in their press release Canon
I have been using a 24-105mm L I purchased a while ago on both a full frame body and a crop sensor body. I've read some previous reviews citing the 24-105mm is an odd focal length on a crop sensor with 1.6x magnification, but I feel as though I have to disagree. Not only does the crop sensor seem to remove most of the barrel distortion at 24mm
Canon EF 24-105mm f/3.5-5.6 IS STM review – Shading. Corner darkening is actually quite dramatic at all apertures when this lens is used at 24mm, but the situation gradually improves through the focal range. By the 50mm mark, corners are ‘acceptable’ from f/8 onwards, and at the longest end of the lens we only need to close by 1 stop (f/8 zh6P. 469 314 376 426 149 79 329 284 424

canon 24 105 f4 l review