From distances as close as a few hundred miles above the Moon, the Lunar Orbiters captured surface features as small as approximately three feet wide.
Notes on verification
Confirmed by NASA historical documentation and NSSDC technical specifications of the Lunar Orbiter program's camera capabilities, independent of secondary reporting.
Sources
- Moon photos from the 1960s were developed in space—here's how (nationalgeographic.com)
- https://airandspace.si.edu/collection-objects/lunar-orbiter-engineering-mock/nasm_A19700318000 (airandspace.si.edu)
- https://www.nasa.gov/history/lunar-orbiter/ (nasa.gov)
- https://nssdc.gsfc.nasa.gov/planetary/lunar/lunarorb.html (nssdc.gsfc.nasa.gov)
- https://www.si.edu/object/model-lunar-probe-lunar-orbiter:nasm_A19791304000 (si.edu)