Doesn’t matter. That‘s just equivalent to the physical switch in time needed (maybe even slower, a double press does require more dexterity) and startup times o

Doesn’t matter. That‘s just equivalent to the physical switch in time needed (maybe even slower, a double press does require more dexterity) and startup times on phone cameras certainly aren’t faster than dedicated cameras. My iPhone 12 Pro takes about a half second to a second until it‘s ready to take a shot.