Wow! It is very difficult to get good photos of fast-moving birds! I have no special equipment, just hand-held SLR with 300 mm lens. These have been cropped to about 1/4 the original size to see bird or zoom in on it more. A closer zoom is grainy.
Fork-tailed Emerald Hummingbird in my garden, Atenas, Costa Rica
Fork-tailed Emerald Hummingbird Atenas, Costa Rica
Fork-tailed Emerald Hummingbird, Atenas, Costa Rica
Note that I see hummingbirds every day in my garden but the moment I walk out the door they usually fly away. I don’t need feeders. They love the flowers! But they don’t stay still for photos!