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High Resolution Large Format Lenses

Photonics Showcase
Nov 2010
Edmund Optics Inc.Request Info
 
Edmund Optics’ TECHSPEC® high-performance imaging lenses, designed to reduce chromatic aberrations and yield stunning sharpness and contrast, are for use with line scan and large area scan cameras. With a maximum aperture of f/4.0, these high-accuracy lenses are made for high-illumination throughput and feature a robust optical design. Applications include web inspection, flat panel inspection, factory automation and food/beverage inspection. In stock and ready to be shipped.


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GLOSSARY
aperture
An opening or hole through which radiation or matter may pass.
chromatic aberration
The lens aberration resulting from the normal increase in refractive index of all common materials toward the blue end of the spectrum. The change in image size from one color to another is known as lateral color or chromatic difference of magnification.
contrast
The apparent difference in brightness between light and dark areas of an image. For a light target against a dark background, contrast is computed as follows: where Lt is the luminance of the target and Lb is the luminance of the background.
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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