Lenses and optics-an integrator's perspective

David Dechow

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Lenses and optics-an integrator's perspective

机译：镜头和光学 - 整合者的观点

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A very wide variety of lenses specifically targeted for industrial machine vision applications are readily available in today's marketplace. In general, lenses can be loosely divided into three technical categories-entocentric, telecentric, and specialty lenses-and there are many variations in the components available within each general category. In machine vision applications, the most common and widely used of these lens categories is the "entocentric" lens (the term "endocentric" is also used in the industry interchangeably). In optical terms, this category refers to lenses that have their entrance or exit pupils inside the lenses. More practically, these lenses are differentiated in that they have an "imaging angle" and produce a scene that contains "perspective," that is objects nearer the lens appear larger than those far away. The most ubiquitous entocentric lens is in the human eye.

机译：在当今的市场上，很容易提供专门针对工业机器视觉应用的各种镜头。通常，镜头可以松散地分为三个技术类别 - 洞中异性，远心和专业镜头 - 每个一般类别中可用的组件都有许多变化。在机器视觉应用中，这些镜片类别最常见和广泛使用的是“洞穴”镜头（术语“内心量度”也可互换地使用）。在光学术语中，该类别是指在镜片内部的入口或出口瞳孔的镜片。更实际地，这些镜片的差异化，因为它们具有“成像角度”并产生一个含有“视角”的场景，即对象越来越近的物体大于远处的镜头。最无处不在的静态镜头是人眼。

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《Vision Systems Design》 |2021年第5期|28-29|共2页
作者
David Dechow;
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Integro Technologies Inc.;

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Lenses and optics-an integrator's perspective

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