Field lens
Encyclopedia
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, or to provide image-space telecentricity.
Image plane
In 3D computer graphics, the image plane is that plane in the world which is identified with the plane of the monitor. If one makes the analogy of taking a photograph to rendering a 3D image, the surface of the film is the image plane. In this case, the viewing transformation is a projection that...
or the eyepiece
Eyepiece
An eyepiece, or ocular lens, is a type of lens that is attached to a variety of optical devices such as telescopes and microscopes. It is so named because it is usually the lens that is closest to the eye when someone looks through the device. The objective lens or mirror collects light and brings...
, serving to change the size of the image, or to provide image-space telecentricity.