When both lenses were mounted on a Canon 5D Mark III, the Tamron lens scored a better overall according to DxOMark being slightly sharper with the trade off of a smidge of more distortion. The Tamron lens also managed to out shoot the Sigma 150-500mm f5-6.3 with all the same perks and much less vignetting.
All in all, the Tamron 150-600mm looks like a sure winner for bird enthusiasts, landscape, and sports photographers. This also isn’t the first time we’ve seen a third-party lens win with flying colors. Previously, the Sigma 24-105mm f4 wiped the floor with Canon’s version and the Sigma 18-35mm f1.8 did the same against two wide-angle zoom lenses.
It’s definitely looking like official Canon and Nikon glass will have to step up their game in the future, but for now you can take a gander at the super zoom shootout after the jump.
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