title_left:  "Canon EF 100mm f/2.8 Macro USM Lens"@en "Camera Lenses :: Canon Lens - Onestop Digital"@en
description_left: "Medium telephoto lens with a macro feature for 1x magnification. Fluctuations in spherical aberrations caused by focusing are suppressed  and high-quality images are obtained at all focusing distances. With eight aperture blades  good background blur is obtained even when the aperture is decreased by one or two stops. A focusing limiter which limits the magnification to 0.25x is built-in.  "@en 
title_right:  "Canon EF 17-40mm f/4L USM"@en " Canon USM L series wide-angle zoom lens for EOS SLR cameras at Crutchfield.com "@en
description_right: "L series wide-angle zoom lens for Canon EOS SLR cameras"@en 
specTableContent_right:  General Brand Compatibility Canon Image Stabilization No Focal Length 17-40mm Maximum Aperture f/4 Weight 16.8 ounces Parts Warranty 1 Year Labor Warranty 1 Year