Field lens
In imaging optics, a field lens is a positive-powered lens or group of lenses that comes after the objective lens and before the image plane or the eyepiece, serving to change the size of the image,[1][2] or to provide image-space telecentricity.
References
This article is issued from Wikipedia - version of the Sunday, March 24, 2013. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.