The closest focusing distance for most cameras is about three feet, or about onestep away from your camera.
大多数相机的最近焦点距离大约是三英尺,或者是离相机大约一步远。
2
Taking and developing photos using the so-called "wet-plate" process was a meticulous, multi-step procedure that required more than one "camera operator" and lots of chemicals and equipment.