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by passer_byer 512 days ago
I did this with a manual 35mm camera. You can purchase rolls of infrared sensitive film. You must make a focus adjustment when shooting infra red. Most manual camera focus rings have a second focus index mark, since infrared light focus converges slightly differently than natural light. See:

https://www.35mmc.com/30/03/2023/focus-adjustment-and-other-...