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What is the video projector? The video projector represents the device connected to a video signal source (the videorecorder, a DVD player, a video camera) or the computer for projection of the image on the big screen. At the choice of a projector it is necessary to consider the fact that various projectors (regardless of the principle of creation of the image LCD, DLP, itd.) are intended for the different purposes. Portable projectors (format 4:3) apply generally to small office presentations. Therefore the small weight, very compact sizes and high rates of brightness has this appearance of projectors. But to use this projector as a component of the home theater we advise nobody. Projectors for the home theater. (format 16:9) This type of projectors differs in high resolution, a magnificent color rendition, powerful video processors, different functions, (including motorized management of a lens), and the lowered noise level. Only lack of this type of projectors, rather low indicators of brightness. Therefore the room for viewing it is necessary to darken or turn off the light forcibly. In a word, all as in the real cinema hall. Projectors for professional installations. This type of projectors incorporated all advantages of previous and can be used as in the conditions of big installations or the presentations, at different organization of performances and exhibitions, and in elite individual cinema halls. However in this case for a projector the special operator cabin with central air as these projectors have the impressive sizes has to be provided, allocate a lot of heat and are quite noisy. We will not dare to rank the fact that the price of such projectors is measured by tens of thousands of dollars as shortcomings.
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