Is it normal for there to be three pre-flashes before the main flash? The whole process feels like 2 seconds before the camera takes a shot.
I rented it for the first time today. Just put it on the hotshoe, left it to TTL, and turned it on.
D700: 24-70 2.8, 85 1.8G
A7II: 16-35 F4, 55 1.8, 70-200 F4