這是NASA網站上的信息:
http://www.hq.nasa.gov/alsj/a11/a11-hass.html
The Data Camera, like the other two 500ELs, was a modified standard 500EL camera but differed from the others in several ways:
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2. The Data Camera was given a silver finish to make it more resistant to thermal variations that ranged from full Sun to full shadow helping maintain a more uniform internal temperature. The two magazines carried along with the Data Camera also had silver finishes. Each was fitted with a tether ring so that a cord could be attached when the Lunar Module Pilot lowered the mated magazine and camera from the lunar module to the Commander standing on the lunar surface. The exposed magazines were hoisted the same way.
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