Search
Menu
DataRay Inc. - ISO 11146-Compliant Laser Beam Profilers
Photonics Dictionary

field lens

1. A lens situated at or near the plane of an internal image to project the aperture of a previous objective or erector upon the aperture of a following lens. 2. A lens at or near the plane of a ground-glass screen to bend the edge light toward the eye of an observer; a Fresnel lens often is used in this capacity. 3. That component of an eyepiece closest to the objective; it determines the diameter of the field of view of the instrument.
We use cookies to improve user experience and analyze our website traffic as stated in our Privacy Policy. By using this website, you agree to the use of cookies unless you have disabled them.