A: “L” stands for luminance, and it is a clear filter, which, at first glance, may sound confusing. Do CCD manufacturers insist on putting a clear filter in among the red, green, and blue so that they ...
Kaleb McQueen, 8, of Liberty, and his brother Karon McQueen. 10, at telescope, get assistance form Bob Danko of Champion in using a telescope Saturday at YSU. YOUNGSTOWN — While a telescope can be an ...
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