Here's a shot of an American alligator captured with a Nikon D3200, f11, 1/200, ISO 200, wireless active IR beam break sensor and 2 SB-28's. A second camera (D7000) placed farther back in a tree captured some behind-the-scenes shots.
https://caseysmartt.files.wordpress....467.jpg?w=1848
https://caseysmartt.files.wordpress....561.jpg?w=1848