Gauss lens
The Gauss lens consists of two lenses; in its most basic form, a positive meniscus lens on the object side and a negative meniscus lens on the image side. The power of the positive element predominates, but the negative element corrects for chromatic aberration.
See also
This article is issued from Wikipedia - version of the 10/26/2013. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.