After reading the instruction sheet, I can see what you mean. Unlike every other point and shoot camera in the world, this camera doesn't have a half-press focus lock. That means that you can't take action shots of anything moving. Oh well, at least it works reasonably well under water without leaking. After reading the instruction sheet, I can see what you mean. Unlike every other point and shoot camera in the world, this camera doesn't have a half-press focus lock. That means that you can't take action shots of anything moving. Oh well, at least it works reasonably well under water without leaking.