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HELLO I have recently made an Blue LED writing sign, at close up its fine, but the more further i go away from it , it becomes blurry and hard to read. please help

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LED's have a very specific wave length that defines the color, and blue isn't that sharp. Plus the type of LED's itself may not be of the right angle. Together this makes for looking fuzzy at a distance. A different color blue (different manufacturers have slightly different colors of blue and each are slightly different wave lengths) and/or a different angle of lens might improve the legibility of the sign.

By the way this is also true to a point about octics, your eyes for the color blue. Think of how much harder it is to read lighter blue ink print than it is to read either black or red....

Posted on May 18, 2011

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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