Fringer released a video comparing the performance of the Fujifilm X-T4 with the Nikon Z6 using Fringer adapters and the Canon EF 300mm f/2.8L IS USM II With Face/Eye AF-C. Below are the configurations and results
Fujifilm
Fujifilm X-T4 FW 1.0 + Fringer EF-FX Pro II FW 1.60 + Canon EF 300mm f/2.8L IS USM II
Continuous shooting CH Mechanical Shutter 22/25 in focus
Nikon
Nikon Z6 FW 3.0 + Fringer EF-NZ FW1.60 + Canon EF 300mm f/2.8L IS USM II
Continuous shooting H+ Mechanical Shutter 20/25 in focus
Conclusion
Fujifilm X-T News, Rumors, and Collaboration
Fujifilm X-T Owners Group
Fujifilm X-T Page
Follow Fujiaddict on Facebook, Twitter, Instagram, and YouTube
Fujifilm X-T4 Preorder: B&H Photo / Amazon / Adorama
VG-XT4 Vertical Battery Grip: B&H Photo / Amazon / Adorama
NP-W235 Battery: B&H Photo / Amazon / Adorama
Fujifilm BC-W235 Dual Battery Charger: B&H Photo / Amazon / Adorama