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TechSpec Imaging Lens Data Sheets

Photonics.com
Sep 2013
Anchor OpticsRequest Info
 
BARRINGTON, N.J., Sept. 16, 2013 — New TechSpec imaging lens data sheets from Edmund Optics provide performance curves, technical details and drawings, allowing users to select the correct lens for their application.

The downloadable data sheets include performance characteristics such as modulation transfer function, depth of field, distortion and relative illumination for TechSpec imaging lenses. They also detail the field of view for various sensors and provide a fully dimensioned drawing.

For more information, visit: www.edmundoptics.com/data-sheets


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GLOSSARY
depth of field
The distance, on either side of the object plane focused on, through which satisfactory image definition can be obtained. For the special case of an imaging system with lens axis perpindicular to the image plane, focused at a range of 25 ft, and with definition acceptable for objects from 20 to 40 ft; the depth of field extends from 5 feet in front of, to 15 feet behind, the object plane focused on.
distortion
A general term referring to the situation in which an image is not a true-to-scale reproduction of an object. The term also is used to connote the temporal alteration of the signal's waveform shape. There are many types of distortion. See also anamorphic distortion; curvilinear distortion; keystone distortion; panoramic distortion; perspective distortion; radial distortion; stereoscopic distortion; tangential distortion; wide-angle distortion.
lens
A transparent optical component consisting of one or more pieces of optical glass with surfaces so curved (usually spherical) that they serve to converge or diverge the transmitted rays from an object, thus forming a real or virtual image of that object.
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