I just learn to use Canon 90D and Canon 100-400mm II for birds in flight.
I set up C2 for this project.
I try to take photos for Forster's tern at the bay where most time is sunny.
Here is my setting.
Camera: AI Servo, ISO: Auto, Drive: Fast shooting, 1/2500, 7.1, 9 points focus,
Lens: FULL...