Film advance

Film advance is a mechanism for moving film from one spool to another incrementally one frame at a time.

Advance may be a manual process, and may be called winding, advance, wind-on and various other terms, and may use, for example, a knob, key, lever, slider or thumbwheel. For this method there must be some way of stopping winding when the next frame is reached; typical methods are the red window, or some more positive method where the camera stops the winding at the correct point.

Many cameras - particularly later ones - have some form of automated wind-on, triggered by the shutter release. These use a clockwork mechanism (e.g. the Robot cameras or the Kodak Instamatic X-45), or an electric motor.

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Glossary Terms