title_left:  "Canon ST-E3-RT Speedlite Transmitter"@en Transmitter (5743B002)"@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