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A 1960 slide projector. A slide projector is an optical device for projecting enlarged images of photographic slides onto a screen.Many projectors have mechanical arrangements to show a series of slides loaded into a special tray sequentially.
In 1955, under the Carl Braun Camera-Werk Nürnberg label, the company introduced one of the first semi-automatic slide projectors with a tray magazine to the consumer market named Paximat. [2] Other innovations included wired or wireless remote control , automatic focus , brighter halogen lamps , and variable brightness control.
Multi-image is the now largely obsolete practice and business of using 35mm slides (diapositives) projected by single or multiple slide projectors onto one or more screens in synchronization with an audio voice-over or music track.
In photography, reversal film or slide film is a type of photographic film that produces a positive image on a transparent base. [1] Instead of negatives and prints , reversal film is processed to produce transparencies or diapositives (abbreviated as "diafilm" or "dia" in some languages like German , Romanian or Hungarian ).
PolaPan was a monochrome ("black-and-white") slide film. [12] "PolaPan" is a portmanteau of Polaroid and Panchromatic. The PolaPan name had also been used in connection with Polaroid roll print films Type 42 PolaPan 200 (200 ASA film speed) (also Type 32) and Type 44 PolaPan 400 (400 ASA film speed in daylight).
The Slide Cube Projector is a slide projector and system, manufactured and marketed by Bell & Howell, which was introduced in 1970 and marketed through the 1980s.The projector derived its name from its transparent cubical plastic slide storage magazine, approximately 5.5 cm (2.2 in) in each dimension (a bit larger than a standard 135 film slide mount), that held 36 to 44 slides, depending on ...