Some moments vanish if your subject realises they’re being photographed. Staying unobtrusive is as much about body language as gear.
Move slowly, blend in, and avoid sudden camera movements. Use a quiet shutter mode if your camera has one. Prime lenses with wider apertures allow you to shoot in low light without drawing attention with flash.
Sometimes, the best way to disappear is simply to act like you belong. Stand in one spot long enough and you’ll fade into the background — the world will forget you’re there, and that’s when the real moments happen.