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Stopping Action (Tamron 100-400mm VC) | by Thousand Word Images by Dustin Abbott
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Stopping Action (Tamron 100-400mm VC)

© 2017 Thousand Word Images by Dustin Abbott


The new 100-400mm options from both Sigma and Tamron are surprisingly strong optically, comparing very favorably to the much more expensive first party options. Where the Sigma fell short was in AF Servo tracking performance - a key area for those wanting an affordable telephoto for birding, wildlife, or sports. I shot a lot of tests today, and, while I feel the Canon 100-400L II is still king in this area, the Tamron did surprisingly well. It proved able to stop action and keep up with my "torture test" of a small, fast moving dog fairly well. It seems to be stronger than the Sigma in this metric. You can see more "first look" video here: and stay tuned for a detailed breakdown of the image quality and autofocus performance.



Technical Info | Canon 5D Mark IV + Tamron 100-400mm f/4.5-6.3 VC USD | Check me out on: Google+: | Facebook: | Twitter: | Flickr: | 500px: | Sign Up for My Newsletter :

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Taken on November 15, 2017