Projectors		COMPUSA'S TOP SELLERS
3M MPRO110 Micro Professional Projector As one of the world's smallest projectors, the 3M Micro Professional Projector uses energy-efficient LED technology for up to 10,000 hours of operatio Only $189.99	NEC 2000 Lumens SVGA DLP Projector Our new NEC NP100 DLP projector combines portability with high-contrast brilliance to help you deliver powerful presentations. Only $399.99	1.  NEC 2000 Lumens SVGA DLP Pro 2.  Optoma HD20 DLP Home Theater 3.  Epson 2200 Lumens XGA LCD Pr 4.  Vivitek D825MS DLP Projector 5.  Optoma DS317 DLP Projector 6.  3M MPRO110 Micro Professiona 7.  Epson 2200 Lumens SVGA LCD P 8.  Vivitek 3200 Lumens XGA DLP 9.  Planar 3500 Lumens XGA DLP P 10.  Toshiba TDP-EX20 DLP Project Also Available: Overstock - Projectors

3M MPRO120 Micro Professional Projector 3M MPRO120 Micro Professional Projector - LED Light Source, 640 x 480 VGA, 4:3, VGA, Composite Video, Component Video, Audio Only $349.99    Epson 2000 Lumens SVGA LCD Projector Epson PowerLite S5 LCD Projector - 2000 Lumens, SVGA 800 x 600, 5.8 lbs, (Refurbished) Only $379.99    Optoma DS317 DLP Projector Optoma DS317 DLP Projector - 2600 ANSI Lumens, SVGA, 800x600, 4:3 Native, 3000:1, 5.5 lbs. Only $399.99    Vivitek D825MS DLP Projector Vivitek D825MS DLP Projector - 2600 Lumens, 800x600, SVGA, 2200:1, USB, VGA, 5.7 lbs Only $399.99    Epson 2200 Lumens XGA LCD Projector - RB Epson EX50 LCD Multimedia Projector - 2200 ANSI Lumens, XGA, 1024 x 768, 2000:1, 4:3, 6.2 lbs, (Refurbished) Only $419.99    Epson EX31 3LCD Multimedia Projector Epson EX31 3LCD Multimedia Projector - 2500 lumens, SVGA, 800x600, 4:3, 2000:1, 5.1 lb Only $499.99    Epson PowerLite 1705c LCD Projector Epson PowerLite 1705c LCD Projector - 2200 Lumens, XGA 1024 x 768, 3.7 lbs, (Refurbished) Only $559.99    Epson 2600 Lumens XGA LCD Projector Epson EX90 LCD Projector - 2600 Lumens, XGA 1024 x 768, 6 lbs Only $659.99    Toshiba TDP-EX20 DLP Projector Toshiba TDP-EX20 DLP Projector - 2300 ANSI Lumens, 720p, XGA, 1024x768, 4:3 Native, 2000:1, 9.3 lbs Only $669.97    NEC NP400 2600 Lumens XGA LCD Projector NEC NP400 2600 Lumens XGA LCD Projector - 1024x768, XGA, 500:1, 2600 ANSI Lumens, 6.6 lbs Only $699.99    Vivitek 3200 Lumens XGA DLP Projector Vivitek D832MX DLP Projector - 3200 Lumens, 1024x768, XGA, 2200:1, 4:3, 5.7 lbs. Only $699.99    Vivitek 2600 Lumens WXGA DLP Projector Vivitek D326WX DLP Projector - 2600 ANSI Lumens, 720p, 1280x800, WXGA, 2500:1, 16:9, 3.2 lbs. Only $749.99    Sanyo PLC-XU300 LCD Portable Multimedia Proje Sanyo PLC-XU300 LCD Ultra Portable Multimedia Projector - 3000 Lumens, XGA, 1024x768, 4:3, 500:1, 5.7 lbs Only $769.99    Planar 3500 Lumens XGA DLP Projector Planar PR5022 DLP Projector - 3500 Lumens, XGA 1024 x 768, 7.8 lbs, 5W TrueMedia™ SPL built-in speaker Only $899.99    Optoma HD20 DLP Home Theater Projector Optoma HD20 1700 Lumens DLP Home Theater Projector Only $1,199.99    InFocus 2200 Lumens WXGA DLP Projector InFocus IN1102 DLP Projector - WXGA, 2200 ANSI Lumens, 1800:1, 16:10, DLP, 1080p, 2.75 lbs Only $1,199.00

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Video Projectors

A video projector takes a video signal from a computer or video player, and projects the image on a projector screen using a lamp and lens system. All video projectors use a very bright light to project the image, and most modern ones can correct most distortions, such as curves, blurriness, and other inconsistencies through manual control settings. Video projectors are widely used for conference room presentations, classroom training, and home theatre applications.

A video projector may also be built into a cabinet with a rear-projection screen (rear-projection TV, or RPTV) to form a single display device, now popular for "home theater" applications. Common display resolutions for a portable projector include SVGA (800×600 pixels), XGA (1024×768 pixels), 720p (1280×720 pixels), and 1080p (1920×1080 pixels). There are also very light weight video projectors perfect for a traveling executive.

The cost of a device is not only determined by its resolution, but also by its light output, acoustic noise output, contrast, and other characteristics. While most modern projectors provide sufficient light for a small screen, a projector with a higher light output (measured in lumens, abbreviated "lm") is required for a larger screen or a room with a higher amount of ambient light. A rating of 1000 to 1500 ANSI lumens or lower is suitable for smaller screens with controlled lighting. Between 1500 and 3000 lm is suitable for medium-sized screens in a typical setting. Over 3000 lm is great for very large screens in a large room with no lighting control (for example, a conference room). Projected image size is important; because the total amount of light does not change, as size increases, brightness decreases. Image sizes are typically measured in linear terms, diagonally, obscuring the fact that larger images require much more light (proportional to the image area, not just the length of a side). Increasing the diagonal measure of the image by 25 % reduces the image brightness by 35 per cent; an increase of 41 per cent reduces brightness by half.

DLP (Digital Light Processing) is a technology by Texas Instruments, used in projection TV and video projectors. One application of DLP is DLP projectors (small standalone projection units). DLP, along with LCD and LCoS are the current display technologies behind rear-projection television, having replaced the older CRT projectors. These rear-projection technologies compete against LCD and Plasma flat panel displays in the HDTV market. DLP is also one of the leading technologies used in digital cinema projection.

Leading manufacturers of projector, projector accessories, and lamps, include: 3M, Canon, Elite Screens, Epson, Hitachi, InFocus, Interlink, Mitsubishi, NEC, A related product is the digital white board (or digital boards) and overhead projectors.