Lenses and Pixel Sizes in Machine Vision

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Lenses and Pixel Sizes in Machine Vision
Lenses and Pixel Sizes in Machine Vision

The number of different imaging lenses and camera sensors available for machine vision applications has increased a lot in recent years. To get the best from any vision system great care must be taken to select the right camera-lens configuration, the wrong decision can lead to wasted money and less than optimal performance. As pixels continue to reduce in size it is a common misconception that smaller pixels lead to better performance when in reality the situation is far less clear cut. Increasing the resolution is only beneficial if a reasonable level of contrast can be maintained and while theoretical models and mathematical limits are very useful they can be misleading.

The best solution will always depend on the application itself and for that reason real world testing is essential to understanding the true performance of any lens-camera system. Limitations such as manufacturing tolerances and sensor response mean that there is always some departure from theory. 

Posted on March 7, 2017 - (2055 views)
Edmund Optics
101 East Gloucester Pike
08007 Barrington - USA
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Edmund Optics® (EO) is a leading global manufacturer and distributor of precision optics, optical assemblies and imaging components with headquarters in the USA and manufacturing facilities in the U.S. and Asia and sales representatives in Germany (Karlsruhe) and additional sites around the globe. With a portfolio of more than 29.800 products, EO has the world’s largest inventory of optical components for immediate delivery and offers products, standard or customized, in small quantities but also in volume for various industries. With a global team of experts in optical design and manufacturing, EO is ready to support any projects – from design, to prototype to serial production. In addition, EO offers special programs for Research and Universities and pro-actively supports StartUps to accelerate their business. Learn more and contact us today! Please also ask for our latest catalog, we are happy to send it to you!

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