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The price asked for a double set without lenses asked in West-Germany in 1956 was 42,510.00 Marks, which at the rate of exchange at that time (4:1), related to $10,627.50 for the pair, or $5,313.75 per projector. [8] That price was higher than 35mm only projectors, but still reasonably low if compared to competitors like Bauer U2. [9]
A Zenith 1200 CRT Projector based home theater. Visible extending from the ceiling are three lenses, one each for red, green and blue Black and white CRT projector. A CRT projector is a video projector that uses a small, high-brightness cathode-ray tube (CRT) as the image generating element. The image is then focused and enlarged onto a screen ...
35 mm movie projector in operation Bill Hammack explains how a film projector works. A movie projector (or film projector) is an opto-mechanical device for displaying motion picture film by projecting it onto a screen. Most of the optical and mechanical elements, except for the illumination and sound devices, are present in movie cameras.
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 ...
Projectors used for home cinemas have a set of recommended criteria: Brightness, usually at least 1800 lumens. Resolution (the number of pixels making up the image), usually at least 1920×1080, one of the HDTV standards. Contrast (how well white, black and greyscales are displayed), usually a minimum of 5000:1. [further explanation needed]
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The MPX projectors were solely used to retrofit existing multiplex auditoriums, losing much of the quality of the GT experience. [ 3 ] Later came the introduction of the IMAX Digital 2K and IMAX with Laser 4K in 2008 and 2014 respectively, still limited in respect to the 70 megapixels of equivalent resolution of the original 15/70 film.
A theater can purchase a film projector for as little as $10,000 [70] (though projectors intended for commercial cinemas cost two to three times that; to which must be added the cost of a long-play system, which also costs around $10,000, making a total of around $30,000–$40,000) from which they could expect an average life of 30–40 years.
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