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NEC LT155 Projector NEC LT155
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400:1 Contrast Ratio
1200 Lumens
Street Price: n/a

NEC's Breakthrough Product: The MultiSync LT155

Evan Powell, December 20, 2000

NEC's new MultiSync LT155 deserves all of the attention that it will undoubtedly get in the coming months. Why? Well first, it has broken a couple of significant barriers. The LT155 is the world's first sub-5 lb LCD projector. And at the moment its 1200 ANSI lumen output makes it the world's brightest sub-5 lb projector.

Furthermore, it is one of the very few projectors in its weight class to offer an on-board PC card reader. So you can download presentations and go to your presentation PC-free. All of that is enough to make the LT155 a strong contender for the traveling presenter.

However, the LT155 adds yet another dimension. One can reasonably assert that, at the present time, it delivers the best video quality of any projector in its weight class. So good in fact that many home theater buyers will want to ceiling mount this little gem and use it as a dedicated home theater unit.

It is rare to find a projector that can compete well in both the portable presentation and home theater markets independently without relying on a dual-application requirement of the user. But if there ever was such a product, the LT155 is it.

Product Overview

Size. The LT155 is at this writing the smallest LCD projector on the market. Only 9.6" long and 8.2" wide, it is smaller than a standard notepad. And with a height of only 2.5" it can fit easily into any reasonable sized briefcase.

Light engine. The light engine consists of three 0.9" native XGA resolution LCD polysilicon panels and a 130-watt lamp. In its High-Bright mode, the system produces 1200 ANSI lumens of brightness. And if run in High-Bright mode exclusively the lamp has a 1000-hour life. However, you can choose to run in Eco-mode, which reduces the lumen output by 30%, but doubles the lamp life to 2000 hours. Most home theater users will want to operate the unit in High-Bright. But presenters will often find that the economy mode is more than adequate for a Powerpoint or Excel spreadsheet presentation to a small audience.

Inputs. The LT155 takes an impressive array of input signals. It accepts VGA through UXGA (1600 x 1200), compressing both SXGA and UXGA into its native XGA format. It accepts both interlaced and progressive component video, NTSC, PAL, SECAM, and NTSC 4.43, and HDTV (1080i, 720p, and 480p).

Aspect ratios include both 4:3 and 16:9. DVDs can be displayed in anamorphic format in cinema mode.

Digital keystone. There is a digital keystone adjustment to a maximum of 45 degrees upward and 15 degrees downward. The feature is quite usable for Powerpoint presentations. For detailed financial data, you will want to avoid aggressive keystone adjustments as they tend to blur some of the image detail. Home theater users interested in optimum video quality should never use this feature on this or any other projector.

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