https://www.youtube.com/watch?v=8PhiSSnaUKk
Solves a lot of problems with simulating realistic in-cockpit reflections.
Also a good way to make the entire crew queasy. The final Moon approach and landing shots are incredible.
https://www.youtube.com/watch?v=wZEcwrBcqGs
There's also good old fashioned miniatures for the Saturn V.
https://www.youtube.com/watch?v=8PhiSSnaUKk