Difference between revisions of "Achromats"
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CPWebmaster (talk | contribs) (New page: A combination of lenses (usually in contact) which reduce chromatic aberration. ==References== http://www.usaarl.army.mil/hmdbook/cp_011.htm) |
DavidB4-bot (talk | contribs) (clean up) |
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| − | A combination of [[lenses]] | + | A combination of [[lenses]] which reduce [[chromatic aberration]]. Since different wavelengths respond differently to refraction a second lens can be positioned behind a primary lens to bring both ends of the visible light spectrum into focus in the same plane.<ref>http://www.usaarl.army.mil/hmdbook/cp_011.htm</ref> |
==References== | ==References== | ||
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| + | [[Category:Aviation]] | ||
Latest revision as of 22:56, July 22, 2016
A combination of lenses which reduce chromatic aberration. Since different wavelengths respond differently to refraction a second lens can be positioned behind a primary lens to bring both ends of the visible light spectrum into focus in the same plane.[1]