All of the new education projectors are illuminated by lasers that last up to 20,000 hours with a minimal drop in brightness over their entire lifetime. By contrast, projector's that use lamps, their bulbs must be replaced every 1000 to 2000 hours, and their brightness drops steadily over that time. With a laser light source, your maintenance bills drop to almost nothing while the image remains bright and engaging throughout the life of the projector.
Educators will be glad to know that the image produced is definitely bright enough to work well even under the classroom lights. The BrightLink 735Fi and PowerLite 750F boast a brightness up to 3,600 lumens, while the PowerLite L200SW pumps out up to 3,800 lumens, and some of the other newly announced models reach as high as 4,200 lumens. Even better, those numbers apply to both white and color brightness. Many single-chip DLP projectors have much lower color brightness than white brightness, leading to dim, dull colors on the screen.
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