The Lunar Orbiters developed their film in space using Kodak's BIMAT transfer-processing system.
Notes on verification
Confirmed by multiple independent authoritative sources including NASA/LPI mission documentation, George Eastman Museum collection records, and technical history articles, all consistently describing the Kodak Bimat film processing system used aboard Lunar Orbiter spacecraft.
Sources
- Moon photos from the 1960s were developed in space—here's how (nationalgeographic.com)
- https://www.lpi.usra.edu/resources/lunar_orbiter/book/introduction.shtml (lpi.usra.edu)
- https://hackaday.com/2018/08/02/the-photo-lab-that-flew-to-the-moon/ (hackaday.com)
- https://collections.eastman.org/objects/51483/lunar-orbiter-camera-payload (collections.eastman.org)
- https://www.lpi.usra.edu/lunar/missions/orbiter/ (lpi.usra.edu)