i don't know if it intended to work like this or if it's just me, but when i run around with my pistol out it giggles all over the place.
Sometimes I like to stand idle with a flashlight pistol and when an enemy comes I would switch to a shotgun
Planetside 2 has a built in video recorder. Can't remember the default keys off the top of my head, but you could check in the keybindings menu in-game.