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2. Zeiss projector - Wikipedia

   en.wikipedia.org/wiki/Zeiss_projector

   Closeup of a lens bearing sphere of the Zeiss Mark IV planetarium projector on display at the Nehru Planetarium in Mumbai, India. A Zeiss projector is one of a line of planetarium projectors manufactured by the Carl Zeiss Company. Main models include Copernican (1924), Model I (1925), Model II (1926), Model III (1957), Model IV (1957), Model V ...

3. Birla Planetarium, Chennai - Wikipedia

   en.wikipedia.org/wiki/Birla_Planetarium,_Chennai

   In 2009, the planetarium established the 360-degree sky theatre, the first in India, [8] with the installation of a full-dome mirror projection system with a DLP projector. [9] The 360-degree effect is created with the help of Wrap, a special software that takes care of curvature correction. The projector was installed at a cost of ₹ 2.1 million.

4. Digital cinema - Wikipedia

   en.wikipedia.org/wiki/Digital_cinema

   A theater can purchase a film projector for as little as $10,000 [69] (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.

5. Get a Home Theater Experience for Less with the Best Budget ...

   www.aol.com/upgrade-movie-night-cheap-best...

   While 4K (3840 by 2160p) projectors are becoming more affordable, they still tend to cost more than $500. Screen Size Companies generally list the maximum size a projector displays an image.

6. Projector - Wikipedia

   en.wikipedia.org/wiki/Projector

   A projector or image projector is an optical device ... China (records since around 1000 CE), India and ... low-cost opaque projectors were produced and marketed as a ...

7. Movie projector - Wikipedia

   en.wikipedia.org/wiki/Movie_projector

   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.

8. Qube Cinema Technologies - Wikipedia

   en.wikipedia.org/wiki/Qube_Cinema_Technologies

   Started in 1986 as Media Artists Pvt. Ltd. in Chennai (then Madras), India, the company was renamed to Real Image Media Technologies Pvt. Ltd. in the early 2000s after the merger of Real Image Pvt. Ltd. and JS Films into Media Artists Pvt. Ltd. Media Artists continued to be a brand of the company's audio post-production facilities until early 2017 but the primary focus of the company then ...

9. Video projector - Wikipedia

   en.wikipedia.org/wiki/Video_projector

   A video projector is an image projector that receives a video signal and projects the corresponding image onto a projection screen using a lens system. Video projectors use a very bright ultra-high-performance lamp (a special mercury arc lamp ), Xenon arc lamp , metal halide lamp , LED or solid state blue, RB, RGB or fiber-optic lasers to ...