Where I work: Has full-time manual focus. Canon EF 17-40mm f/4L USM. Canon EF-S 18-55mm F/3.5-5.6 IS STM. With full-time manual focus, you can move the focus ring whilst it is in AF (autofocus) mode. This means that you can make manual adjustments once the AF has finished, without changing to manual mode. Canon - EF100-400mm F4.5-5.6L IS II USM Telephoto Zoom Lens for EOS DSLR Cameras - White. Model: 9524B002. SKU: 1368051. (270) Compare. $2,399.99. Up to 3 free months of iCloud+. Shop for canon ef 17-40mm f/4l usm lens at Best Buy. Find low everyday prices and buy online for delivery or in-store pick-up. EF17-40mm f/4L USM. This super wide-angle zoom lens allows you to take wide photographs even with digital SLR cameras which have a screen size smaller than 35mm, covering the range from a super wide-angle 17mm to a standard 40mm. Three aspherical lens elements which come in two types deliver both a wide zoom range and high image quality, while Review by Klaus Schroiff, published April 2009 Special thanks to Philipp Schürmann for providing this lens! Introduction The Canon EF 17-40mm f/4 USM L is one of the most popular L class lenses thanks to its relatively affordable price and its dual purpose scope - it can serve as a standard zoom lens on APS-C DSLRs and it's an ultra-wide zoom lens with an attractive range on full format DSLRs. . 16-Mar-2009 23:45. this lens is a great all round versatile high performer sample: gsl007. 03-Jul-2008 21:32. I've been using this lens for several years and I'm very happy with it. For a wide angle lens it is sharp enough and the color and constrast is superb. It is sharper at 40mm than 17mm, but images print out with great sharpness. has a silent focus motor built into the lens. Canon EF 17-40mm f/4L USM. Canon RF 16mm f/2.8 STM. Lenses with built-in focus motor focus faster and more quietly than lenses without a focus motor which rely on the camera's body focus motor. minimum focus distance.

canon ef 17 40mm f 4l review