I totally agree about the older focus motors being a bottleneck on this body. Having used the R series for a long time, I've found that people often o...
I think maybe check out brands like:BoyaComicaIIRC they're dirt cheap and battery-free. TINY too, so they won't block the screen... worked well for me...
Totally agree with the above! Reach is basically king when it comes to birds, and even 350mm can feel short really fast once you start cropping in pos...