Apollo 12 stereo view of lunar surface upon which astronaut had stepped
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AS12-57-8448 (19-20 Nov. 1969) --- An Apollo 12 stereo view showing a three-inch square of the lunar surface upon which an astronaut had stepped. Taken during extravehicular activity of astronauts Charles Conrad Jr. and Alan L. Bean, the exposure of the boot imprint was made with an Apollo 35mm stereo close-up camera. 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. While astronauts Conrad and Bean descended in their Apollo 12 — NASA JSC · 1969. ABD devlet eseri: kamu mali, ticari islerde de serbestce kullanilabilir.
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