Sony A7 IV vs A7R III / A7R IIIa - Which One is Better? - Full Comparison!

Check price of the Sony A7 IV and A7R III on B&H Photo Video*: - A7 IV: https://bhpho.to/3B84KZP - A7R III: https://bhpho.to/2FkTphN 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 (with information about extra features) on: https://mirrorlesscomparison.com/sony-vs-sony/a7-iv-vs-a7r-iii/ Birds in Flight Test: https://mirrorlesscomparison.com/best/mirrorless-cameras-for-birds-in-flight/ Chapters: 0:00 Introduction 1:35 Design 5:06 Image Quality 7:50 Autofocus 12:47 Drive Speed 14:09 Stabilisation 15:38 Video 20:20 Prices and Conclusion