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General Discussion

3 LCD vs DLP. Not all projectors are created equal.

Ashton Poole

3 LCD vs DLP. Not all projectors are created equal.

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Buyers Guide to Business projectors

Will Klopper

Buyer's Guide to Business Projectors: Key Features

1) Brightness

2) Portability?

3) Total cost of ownership

4) DLP versus 3 LCD

 

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ANSI Lumen (On screen brightness)

Will Klopper

ANSI Lumen (On screen brightness) To measure ANSI lumen on projectors the screen is divided into 4 x 4 rectangles, specified by American national standards industry (ANSI). The method for measuring ANSI lumens are quite simple, but the projector obviously need to be set up according to ANSI standards, which are: The projector is set up to display an image in a room at a temperature of 25 degrees Celsius. The brightness and contrast of the projector is then adjusted according to ANSI standard document IT7.215 The light output is then measured on a full white field at nine specific locations...

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