Check price of the Sony, Sigma and Tamron gear on B&H Photo Video*: - Sony 200-600mm: https://bhpho.to/3nZMyyB - Sigma 150-600mm: https://bhpho.to/3CS7VpD - Tamron 150-500mm: https://bhpho.to/3cUAp7n Today’s Photo Gear Deals & Rebates on B&H: https://bhpho.to/2QvHVZy *Mathieu Gasquet and Heather Broster are participants in the B&H Photo Video affiliate program. If you decide to buy something after clicking the affiliate links above, we will receive a small commission. Text version on: https://mirrorlesscomparison.com/e-mount-lenses/sony-vs-sigma-vs-tamron-telephoto-zoom/ My Birds in Flight Test and Ranking: https://mirrorlesscomparison.com/best/mirrorless-cameras-for-birds-in-flight/ Article mentioned on Sony Alpha Blog: https://sonyalpha.blog/2020/07/21/sigma-100-400mm-f5-6-3-dg-dn-os-contemporary/ Chapters: 0:00 Introduction, size and weight 1:58 Design: Sony 200-600mm 3:35 Design: Sigma 150-600mm 7:12 Design: Tamron 150-500mm 9:25 Zoom range and fast. apertures 10:10 Sharpness 13:29 Bokeh 14:28 Flare and Other Characteristics 15:33 Autofocus 17:21 Manual Focus and Min. Focus 18:38 Stabilisation 21:32 Teleconverters 23:13 Prices and Conclusion