How John Glenn's $40 Camera Forced NASA to Rethink Space Missions | PetaPixel

[astronaut John] Glenn, with the help of NASA engineers, quickly modified the [$40 autofocus, mechanical] camera [he bought at a drug store] to make it usable with his bulky astronaut gloves. They flipped the camera upside down, attached a pistol grip with special buttons to control both the shutter and film advance, and even moved the eyepiece to the bottom, which was now the top of the camera because they had flipped it.