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Home » lenses

Articles Tagged with ''lenses''

Today’s smart cameras

5 Considerations for Modern Smart Camera Design

The goal is to create smart cameras that can do it all. How do we get there?
Robin Kallsen
April 30, 2018

Packaging, electronics, automotive, clinical diagnostics… Smart cameras have made their way into all sorts of industries and applications. Machine vision engineers never get to rest on their laurels because there’s always some new process to improve.


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A macro lens inspects a printed circuit board.

Vision & Sensors Lens Selection Guide, Part 1

Understand the differences between the most common types of lenses used in machine vision.
Nicholas Sischka
April 30, 2018

Lenses are a complicated and nuanced component in imaging systems. It is not always straightforward which decisions to make when it comes time to choose a lens and what tradeoffs are made as a direct result of those decisions.


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A calibration grid seated on a piece of tooling above a red backlight.

Machine Vision Applications: The Process of Developing a Complete Solution

The first step is to establish the requirements and determine if it is possible.
Sangit Patel
September 1, 2017

The term machine vision can imply a computer having a set of eyes for an inspection. To develop a complete solution for machine vision applications, vision engineers execute a series of tasks that usually fall into five categories: plan, design, build, integrate, and validate.


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Figure 1. How the modulation transfer function (MTF) of a lens affects an image, as it is projected onto a sensor. Source: Stemmer Imaging

Choosing a Lens for Machine Vision

Not surprisingly, with the enormous range of sensor formats and resolutions available in machine vision cameras, there are many options for lenses.
Mark Williamson
September 1, 2017

All machine vision systems rely on the production of an image of sufficient quality to allow the required measurements to be made.


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aspherical lenses

Aspherical lenses

September 1, 2016

The technology group SCHOTT unconventionally relies on aspherical lenses to increase the effect of LED cold light sources in the illumination of stereomicroscopes in the area of Lighting and Imaging. This delights the experts in laboratories who can now perform microscopy more precisely.


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Cylinder Lenses

January 1, 2016

Edmund Optics® (EO) introduced its new TECHSPEC® Laser Line PCX Cylinder Lenses.


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Straight and True: Telecentric Lenses for Metrology and Quality Assurance

THE HIGH ACCURACY INHERENT IN TELECENTRIC LENSES IS OFTEN THE MOST COST-EFFECTIVE WAY TO SOLVE A MEASUREMENT PROBLEM.
Nicholas Sischka
September 8, 2015

Precision lenses do an excellent job conveying contrast and color from object to image, but they can do a poor job of transferring accurate dimensions, especially if they have small focal lengths.


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Machine Vision Systems

Machine Vision Components

Learn what to keep in mind when selecting machine vision components.
Perry C. West
July 2, 2014

“We’ll just put a camera there.” Sounds easy, doesn’t it?


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INDUSTRY HEADLINE

Chinese Inspection Machine Maker Accused of False Advertising

Quality Magazine Staff
April 10, 2014

According to information released by Navitar, Inc., Chinese metrology machine maker, Dongguan Jiateng Instrument Co., Ltd. of China, and it’s owner Peng Xiong liang, were fined 20,000 RMB by the local Dongguan China Bureau of Administration for Industry & Commerce (AIC) for falsely advertising on its website, advertisements, and brochures that Jaten metrology inspection machines included Navitar trademarked video microscope lenses as components, when in fact, they did not.


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When to Consider Inline Illumination

It is critical to consider characteristics of the object you’re imaging and the information you need to extract from the image.
Nicholas James
January 3, 2014
The choice of illumination can often mean the difference between success and failure of an imaging system.


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