The astronauts living on the International Space Station are in a microgravity environment, so no chance a camera will fall to floor. Just leave it next to you until you need it again!
‘Course you might need velcro to keep the camera stuck to a surface for the same reason. Gravity won’t keep it down but air currents in the station will blow it around.
From the NASA live stream of the Dragon 2 capsule that has just docked with the ISS.