More specifically, if there's play in the gears of the winding mechanism then you'll get a lot of variance when it comes to inter-frame space. NO! This is old

More specifically, if there's play in the gears of the winding mechanism then you'll get a lot of variance when it comes to inter-frame space. NO! This is old 120 format film--just a roll of film with paper backing. On his camera, you probably just looked through the red window on the back at the frame number. If you forgot to wind, double exposure. The Holga toy camera from Lomo still works this way today.