佳能 EF 17-40mm 鏡頭是一系列由佳能公司生產的變焦鏡頭，一共有下列幾種型號，為佳能L鏡頭。 EF 17-40mm f/4L USM 當17-40mm鏡頭用於佳能數碼EOS系列的APS-C幅面機身（如佳能 EOS 550D）時，17-40mm的視角會變窄，其等效於全幅機身上的27.2-64mm視角（乘以系數1.6）。 As for the other lenses, I really wanted to like the Canon EF-S 17-55mm f/2.8 IS USM, but it seemed to take unusually few "keepers" in similar shooting situations to the EF24-105L. The captured colors were a little cooler, and the IS comparatively very loud (audible without putting your ear to the lens). 40mm lenses however, do the very opposite. They create the most realistic perspective – one that is nearly identical to human eyesight. The 35mm focal length is often thought of as the most “normal” lens. But according to many DPs (who I agree with), 40mm is in fact the closest to our vision. At least when paired with a Super 35mm camera. 3. Canon EF 17-40mm f/4L USM. "This is my go-to lens which I use most often for landscape work. It’s perfect for emphasizing foreground, and for capturing seascapes, so it’s the lens I usually This Canon EF 17-40mm f/4L USM Ultra Wide Angle Zoom Lens is a great choice for Canon SLR Cameras. With its 17-40mm focal length and f/4 maximum aperture, it's perfect for capturing beautiful, wide shots in all conditions. Plus, its aspherical lens elements and super UD glass element create superior optics no matter the situation, while its Canon EF 24-105mm f/4L IS USM Canon USM Canon EF-S 17-55mm f/2.8 IS USM mildly wide at 40mm. The 17mm focal length is very, very wide on a full frame camera. See customer reviews. EF 17–40mm f/4L USM; Canon EF 17-40mm f/4L USM Lens. Travel, architecture, landscape; Professional L-series; USM Auto Focus The Canon EF-S 18-135mm f/3.5-5.6 IS USM is a sharp lens with a long zoom range and a fast USM motor that pairs well with Canon's Dual Pixel AF technology. Canon EF 17-40mm f/4L USM Read Our 2fQUh1.

canon ef 17 40mm f 4l usm review