Strip-feed and take-up magazine

Striped dichroic filter and method for making the same

Strobe without primary storage capacitor

Stroboscopic effect controller

Sub-standard motion picture camera

Supplemental audio content for a cinema and related methods

Supplemental lens positioning system for a fixed focus lens...

Supplementary optical system for a camera

Supply and takeup system for film and the like

Supply roll spindle assembly for cinematographic projectors

Support member for preventing inverted insertion of a film...

Surgical head camera

Surveillance camera support

Surveillance camera system

Surveillance device with eyeball assembly and pivotably...

Surveillance device with eyeball assembly and pivotably...

Switch control for camera flash unit

Switchable format film projection system

Switchable pulldown film projection system

Synchronisation of machines for recording sound