Check price of the Fujinon 100-400mm and 150-600mm on B&H Photo Video*: - 100-400mm: https://bhpho.to/2F6e09j - 150-600mm: https://bhpho.to/3D7Nmsu 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/x-mount-lenses/fuji-100-400-vs-150-600/ Birds in Flight Test: https://mirrorlesscomparison.com/best/mirrorless-cameras-for-birds-in-flight/ Tamron 150-500mm Review: https://www.youtube.com/watch?v=RPkc-jjdgDo Chapters: 0:00 Intro and Design 5:34 Field Of View / Aperture 6:41 Optical Quality 10:53 Auto / Manual Focus 12:17 Stabilisation 14:55 Teleconverters 16:31 Prices and Conclusion (+ Tamron 150-500mm)