Tony Northrup on Twitter: "Sony 70-200 f/4 (left) vs 70-200 f/2.8 G Master (right) at f/6.3, zoomed 1:1 on a7R II. GM sharper, focuses better. https://t.co/x2ev0PFQez" / Twitter
![70-200mm LENS CHALLENGE- Sony FE f/4, Canon L f/2.8, Sony A f/2.8, , on Sony A7rii by Jason Lanier - YouTube 70-200mm LENS CHALLENGE- Sony FE f/4, Canon L f/2.8, Sony A f/2.8, , on Sony A7rii by Jason Lanier - YouTube](https://i.ytimg.com/vi/yjJBQ0vxxI4/maxresdefault.jpg)
70-200mm LENS CHALLENGE- Sony FE f/4, Canon L f/2.8, Sony A f/2.8, , on Sony A7rii by Jason Lanier - YouTube
![Sony FE 70-200mm F2.8 GM OSS II Full-Frame Telephoto Zoom G Master E mount Lens White SEL70200GM2 - Best Buy Sony FE 70-200mm F2.8 GM OSS II Full-Frame Telephoto Zoom G Master E mount Lens White SEL70200GM2 - Best Buy](https://pisces.bbystatic.com/image2/BestBuy_US/images/products/6484/6484729_sd.jpg)