Difference between revisions of "Achromats"
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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. |
==References== | ==References== | ||
Revision as of 21:09, January 11, 2010
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.