This website requires certain cookies to work and uses other cookies to help you have the best experience. By visiting this website, certain cookies have already been set, which you may delete and block. By closing this message or continuing to use our site, you agree to the use of cookies. Visit our updated privacy and cookie policy to learn more.
This Website Uses Cookies
By closing this message or continuing to use our site, you agree to our cookie policy. Learn More
This website requires certain cookies to work and uses other cookies to help you have the best experience. By visiting this website, certain cookies have already been set, which you may delete and block. By closing this message or continuing to use our site, you agree to the use of cookies. Visit our updated privacy and cookie policy to learn more.
Quality Magazine logo
search
cart
facebook twitter linkedin youtube
  • Sign In
  • Create Account
  • Sign Out
  • My Account
Quality Magazine logo
  • NEWS
  • PRODUCTS
    • FEATURED PRODUCTS
  • CHANNELS
    • MANAGEMENT
    • MEASUREMENT
    • NDT
    • QUALITY 101
    • SOFTWARE
    • TEST & INSPECTION
    • VISION & SENSORS
  • MARKETS
    • AEROSPACE
    • AUTOMOTIVE
    • ELECTRONICS
    • ENERGY
    • GREEN MANUFACTURING
    • MEDICAL
    • PLASTICS
  • MEDIA
    • PODCASTS
    • VIDEOS
    • WEBINARS
    • IMTS 2022 VIDEOS
  • EVENTS
    • IMTS
    • EVENT CALENDAR
    • QUALITY SHOW
  • DIRECTORIES
    • BUYERS GUIDE
    • NDT SOURCEBOOK
    • VISION & SENSORS
    • TAKE A TOUR
    • EBOOK
  • MORE
    • eNEWSLETTER
    • INDUSTRY LINKS
    • CLASSIFIEDS
    • MARKET RESEARCH
    • PRODUCT SPOTLIGHTS
    • QUALITY STORE
    • WHITE PAPERS
  • EXCLUSIVES
    • LEADERSHIP SURVEY
    • PLANT OF THE YEAR
    • PROFESSIONAL OF THE YEAR
    • ROOKIE OF THE YEAR
    • CORONAVIRUS COVERAGE
  • INFOCENTERS
    • IMPROVE INSPECTION WITH AI
    • NEXT GENERATION SPC & QUALITY ANALYTICS
  • eMAGAZINE
    • eMAGAZINE
    • ARCHIVES
    • QUALITY IN AUTOMATION
    • CONTACT
    • ADVERTISE
    • SUBSCRIBE
Home » Authors » John Lewis

John Lewis

John Lewis is market development manager of Cognex Corp. (Natick, MA). For more information, call (508) 650-3000 or visit www.cognex.com.

Articles

ARTICLES

VS 0523 Sensors Larger sensors
Vision & Sensors | Sensors

New Sensors and Machine Vision Applications Drive Advances in Optics

New opportunities continually emerge — including in the field of robotics and autonomous machines.
John Lewis
May 22, 2023
No Comments

Camera sensors and new machine vision applications tend to drive parallel advances in optics, and optics suppliers must continually evolve as machine vision technologies progress.


Read More
machvis_FT

Use Optical Filtering to Improve Machine Vision Repeatability

Optical filters have been used to help solve difficult machine vision challenges
John Lewis Jason Dougherty
January 6, 2014
One Comment

Although optical filters are often viewed as an afterthought in machine vision applications, their ability to optimize lighting and the entire vision system makes them so valuable that they should be considered from the initial planning stages of most applications.


Read More
light bulb direct illumination
Measurement

How to Choose the Right Lighting for Machine Vision Applications

“The most sophisticated automated inspection system in the world cannot work without the proper lighting.”
John Lewis
October 3, 2013
3 Comments

Machine vision systems create images by analyzing the reflected light from an object, not by analyzing the object itself.


Read More
Best Practices Edmund Optics
Vision & Sensors - Best Practices

Using Optics to Optimize Your Machine Vision Application

Explaining the fundamentals of using optics to optimize a machine vision application.
John Lewis
December 3, 2012
No Comments

The lens is responsible for creating sufficient image quality to enable the vision system to extract the desired information about the object from the image.


Read More

Choosing the Appropriate Sensor Technology

John Lewis Greg Wiese
April 29, 2008
No Comments
Photoelectric sensors, vision sensors and vision systems: how to determine which is the most effective solution.
Read More
Subscribe For Free!
  • eMagazine Subscriptions
  • eNewsletters
  • Online Registration
  • Manage My Preferences
  • Subscription Customer Service

More Videos

Popular Stories

AI Deep Learning Manufacturing

Can Deep Learning Improve My Manufacturing Process?

QM 0523 Management ROY Jared Curtis feature

2023 Quality Rookie of the Year: Jared Curtis, Time for a Challenge

QTY 0523 Pleora IC Topic 2 Article 2 Top 5 Human Errors in Manufacturing

Top 5 Human Errors in Manufacturing

QTY 0426 Free Webinar: Tips to Improve Your Color Through Visual Assessment

Events

October 24, 2023

The Quality Show

The Quality Show is a 3-day tradeshow dedicated to connecting quality manufacturing professionals with process improvement vendors for all things QUALITY. Join thousands of quality managers, engineers and manufacturing professionals to network, attend education sessions and test out the latest technologies and products that will improve quality and productivity in your manufacturing process. We will be back in Rosemont, IL at the Donald E. Stephens Convention Center for the 5th biennial Quality Show, October 24-26, 2023. Look forward to seeing you there!

View All Submit An Event

Products

Quality Brain Teasers: Real World Challenges to Build Your Manufacturing Skills (ebook)

Quality Brain Teasers: Real World Challenges to Build Your Manufacturing Skills (ebook)

Assessments and Training in the following areas...

See More Products
Webinars Custom Content

Get our new eMagazine delivered to your inbox every month.

Stay in the know with Quality’s comprehensive coverage of the manufacturing and metrology industries.

SUBSCRIBE TODAY!
  • Resources
    • Market Research
    • Custom Content & Marketing Services
    • List Rental
    • Partners
    • Manufacturing Group
    • Polls
    • Privacy Policy
    • Survey and Sample
  • Want More
    • Connect
  • Privacy
    • PRIVACY POLICY
    • TERMS & CONDITIONS
    • DO NOT SELL MY PERSONAL INFORMATION
    • PRIVACY REQUEST
    • ACCESSIBILITY
    • UPDATE MY PREFERENCES

Copyright ©2023. All Rights Reserved BNP Media.

Design, CMS, Hosting & Web Development :: ePublishing