Ken Rockwell responded to my email regarding the Apollo 11 film choice. It was Ektachrome MS ASA 64 for Lunar terrain and general photography; and Ektachrome EF ASA 160 for low light conditions on the Lunar surface and interior photography exposed and push processed to ASA 1000. All technical information regarding the mission photography is available at this NASA Link.
(Although they were initally defined independantly, ASA and ISO can be regarded as approximately the same).
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