Comixx, you are discussing loading the film into the magazines. The astronauts did not load film in and out of magazines. They just carried dozens of preloaded magazines. They used them, then put them aside and returned them to JSC for development.

Some links on Apollo cameras

http://www.hq.nasa.gov/office/pao/Hi.../a11-hass.html

http://www.hasselblad.com/company/HB....asp?secId=584

http://www.mir.com.my/rb/photography...res/moon/1.htm