Quote:
Originally Posted by lack
...I like my 650 lighted cover but frankly, if I don't adjust the angle well the glare is well enough disturbing...
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When reading, I hold the reader at right angles and always position the hinged light as far up as it will go. Consequently, I don't see glare when using the reader. I would only be able to see glare from the light-source, if I held the reader so that it was it tilted away from the surface normal (right angle), to an angle that matched the angle of the light. In optics, the angle of reflection is always equal to the angle of incidence. This is sometimes called the grazing angle. I like the lighted cover very much.