Canon 16-35 f/2.8L vs 16-35 f/4L IS vs 17-40 f/4L

In a galaxy not so far away...a comparison of Canon's Ultra Wide Angle Zoom L lenses - 16-35 f/2.8L(http://bit.ly/16-35f28), 16-35 f/4 IS L(http://bit.ly/16-35f4) and 17-40 f/4L(http://bit.ly/17-40f4) Pricing Reference: Canon EF 16-35mm f/2.8 L II USM Lens http://www.digitalrev.com/product/can... Canon EF 16-35mm f/4L IS USM Lens http://www.digitalrev.com/product/can... Canon EF 17-40mm f/4 L USM Lens http://www.digitalrev.com/product/can... Connect with us: ================================== Facebook:   / digitalrev   Twitter:   / digitalrev   Google+: http://google.com/+digitalrev Instagram:   / digitalrev   Flickr: http://flickr.com/digitalrev DigitalRev: http://digitalrev.com/digitalrev Have a question for the DRTV crew? ================================== Follow us on   / digitalrevtv  , and tweet #askDRTV Join DigitalRev Social and share your photos: ================================== http://digitalrev.com/signup http://digitalrev.com/discover Shop DigitalRev Online Store: ================================== http://digitalrev.com/shop Special thanks to Videoblocks.com for graciously providing premium stock footage. Find out how to get 7 days of downloads for free on http://vblocks.co/x/3KWV1