title_left:  "Extender EF 2x III"@en "Canon Extender III | Canon Online Store"@en
description_left: "Extender EF 2X III"@en 
title_right:  " Canon EF 70-200mm f/4L USM Telephoto Zoom Lens (for SLR Cameras) "@en, "Canon Cameras)"@en Overview - CNET"@en