关于这张图
AS12-57-8452 (19-20 Nov. 1969) --- An Apollo 12 stereo view showing a three-inch square of the lunar surface. The exposure was made with an Apollo 35mm stereo close-up camera during extravehicular activity of the Apollo 12 lunar landing mission. The camera was developed to get the highest possible resolution of a small area. The three-inch square is photographed with a flash illumination and at a fixed distance. The camera is mounted on a walking stick, and the astronauts use it by holding it up against the object to be photographed and pulling the trigger. Astronauts Charles Conrad Jr., comma…