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More about Lexmark Projectors...

Both SVGA and XGA classifications of projectors are ideal for mobile presentations as well as for use in-house.
Projectors resolution is measured in pixels which denote the break down of the image, so the larger number of pixels the greater the quality of the image. The brightness of the image is measured in ANSI (The American National Standards Institute) lumens; the higher the lumen the brighter the lamp output. The third area to be considered with the quality of the projection is the contrast ratio. This measures how black the black is compared to the white; so the higher the contrast ration the more realistic the picture is