The most important factor that needs to be considered when buying a projector lamp is the resolution. For office application like the PowerPoint presentations, a XGA (1024×768) resolution in usually sufficient. For multimedia applications, the image aspect should be 16:9 specific to the movie display. In this class of projectors fit those with 854×480 (480p), 1280×720 (720p) and’20×1080 (1080i) resolutions. The price is proportional with resolution and that is why a full HD compatible projector can reach or even go above the amount of 300.
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When the talk starts about the two major video projection technologies – LCD and DLP most people looking to buy a projector know the differences between the two. But a third technology that emerges is one worthy of attention producing high quality video images that overpower LCD and DLP. It is called LCOS and deserves our attention. The luminosity is measured in ANSI lumens. For the home projector, the luminosity has to be at least around 700 ANSI lumens. |
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