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So, if the above-mentioned advantages of projectors weigh down their drawbacks, and you have decided to buy one to watch movies, you should choose what type you want. In fact, you can watch movies with any projector. Except for the stationary models, there are two classes of projectors -- office models for presentations and home theater models. Let's start with office projectors. They are generally of little use for video playback because of their noisy cooling systems (especially in compact, but bright models), mediocre color rendition (especially DLP projectors), pronounced rainbow effect (DLP projectors), low contrast (LCD projectors), low resolution (most of them support 1024x768), 4:3 format (while movies and even TV series are often wide), no digital inputs with HDCP support. However, there are some exceptions. For example, Acer P1265 is equipped with DVI input with HDCP support, and Toshiba TDP-EW25 has a wide panel, offers good color rendition, and works rather quietly. InFocus X8 is another interesting product, good for both home and office. It's equipped with a wide panel. But unfortunately, a transparent segment in its light filter reduces color brightness significantly.

http://ixbtlabs.com/articles3/dvd/ht-projector-p1.html

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