Canon EF 17-40mm f/4L USM Ultra Wide Angle Zoom Lens for Canon SLR Cameras @ richardeward.com

Canon EF 17-40mm f/4L USM Ultra Wide Angle Zoom Lens for Canon SLR Cameras
from Canon

Features:

• 17-40mm ultra-wide-angle zoom lens with f/4 maximum aperture for Canon SLR cameras
• 3 aspherical lens elements and super UD glass element create superior optics in all conditions
• Powerful ring-type ultra-sonic monitor (USM) produces fast and silent autofocusing
• Focuses as close as 11 inches; supports screw-in 77mm filters or up to 3 gel filters

Customer Reviews:

• Avg. Customer Rating: 4.5 / 5.0

• Now, THIS is a lens!
  No plastic grinding against plastic when you focus this thing. Feels just like my Fujinon lens I use on my TV news camera. Pro gear. Want some? Pay up.

• Great Lens
  I bought this with my Canon 30D. This is a great lens and L series is the best. I have mostly L lens because the quality is worth the money.

• Great on full frame, average on crop bodies
  This is a good lens, but it's certainly not great. Along with all other L-series lenses, it's more durable, weather resistant, doesn't rotate the front element. It has a virtually silent focusing motor which is a pleasure to use. The lens is light, feels solid.
  But as far as quality is concerned, it's average. On a full-frame camera, such as the 1Ds or the 5D, the corners are much sharper than that of a 28-135, for example. But on a cropped-sensor camera such as the 40D or the XTi, you will not see... more info

• newest most used glass!
  this lightweight little wonder is always on my camera, i really hardly ever take it off...i do however, find the hood a bit...much, that being said the feel and operation is obviously that of an 'L' lense

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