The Tamron 70-300 F4.5-6.3 Di RXD III is a high-performance telephoto zoom lens for Sony's E-mount, ideal for travel and everyday photography. In this video, watch as photographer Joey Schusler takes the Tamron 70-300 F4.5-6.3 Di RXD III on a rafting trip along the Grand Canyon. This is sponsored content. Learn more: DPReview.com/sponsored ----------------------- DPReview.com is the world's largest digital camera review website. Welcome to our YouTube channel! Subscribe for new feature videos, reviews, interviews and more. Discover the world's most in-depth digital camera reviews at http://www.dpreview.com/