Traditional Culture Encyclopedia - Photography and portraiture - Do I need to close the photo proofs?

Do I need to close the photo proofs?

If you use the card machine, the current models generally have automatic sleep function, and if you don't operate for a long time, you will automatically reset the lens and turn off the display screen. If it is a SLR with strong manual ability, the lens zoom itself is manual, and the lens needs to be manually reset when not in use. The power switch is only under personal control. ...