Canon EF 17-40mm f/4L USM Ultra Wide Angle Zoom Lens for Canon SLR Cameras
March 21st, 2011 | No Comments » | by deren | Tags: 40mm, angle, Angle Of View, Aspherical Lens Elements, Canon, Canon Cameras, Canon Ef, Canon Slr Cameras, Digital Cameras, Digital Slr Cameras, Dispersion Glass, Filter Size, Focus Adjustment, lens, Lens Construction, Manual Focus, Maximum Aperture, Optical Coatings, Resistant Construction, Series Cameras, Type Filter, ultra, wide, Wide Angle, Zoom, Zoom Canon | Posted in Camera and Photo