Midwest Optical Systems
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A leading manufacturer of custom precision optical filters, components, and imaging solutions since Unmounted filters are offered in custom shapes and sizes.
A manufacturer of custom precision optical components and imaging solutions since 1988, Midwest Optical Systems - MidOpt - is recognized as the world’s leading resource for off-the-shelf and custom machine vision filters, lenses and accessories used in industrial imaging applications. MidOpt has an extensive history in optical component design, fabrication and inspection, and continues to develop
Blurry edges and color fringing? That’s chromatic aberration, caused by different wavelengths of light failing to focus at the same point. By using a MidOpt® Bandpass Filters to narrow the wavelength range that reaches the sensor, these filters reduce optical noise and eliminate chromatic mismatch, resulting in sharper, higher-resolution images. Clarity starts with control.
Stop by and see us at Automate booth #333. Check out MidOpt SiLWIR pure-grade silicon protective windows for thermal imaging, learn about our full filter line and enter to win an FK201 filter kit. See you there! Chicago
06/23/2026
Focus on What Matters. Filters do more than just shape light — they enhance contrast by passing or blocking specific wavelengths. This lets us brighten key details or suppress distractions in an image.
06/17/2026
Maximize Machine Vision System Performance with Filters: ensure flawless control, dependable results, unmatched repeatability and exceptional image quality for monochrome and color vision systems.
From the production line to the lab and the skies to the streets — our filters deliver clarity, consistency and reliability where it matters most. MidOpt® machine vision filters are designed to meet the precision demands of diverse industries:
🏭 Factory Automation
🎥 Motion Analysis & Cinematography
🔒 Security & Surveillance
🧬 Medical & Life Sciences
🚗 License Plate Recognition
🔬 Scientific Research
🚦 Intelligent Transportation Systems
📸 Professional Photography
🛰️ Aerial Imaging
📐 3D Metrology
06/11/2026
A history of innovation since 1988. From our humble beginnings with a single red machine vision filter in our Singapore office, we quickly expanded to North America and have grown to offer one of the most complete lines of machine vision filters in the world.
06/09/2026
Welcome to MidOpt® – Specializing in innovative optical filter designs for industrial imaging for more than 35 years. We're proud to be represented in over 30 countries and offer more than 3,000 cutting-edge products.
06/02/2026
MidOpt® SiLWIR™ has been nominated for an INSPECT AWARD in the Midsize Company Innovation category! 🏆Vote here: https://wileyindustrynews.com/en/award/inspect-award/
Designed for demanding imaging applications, SiLWIR™ Protective Windows deliver exceptional durability, high transmission, and reliable performance in harsh environments.
Voting is officially open through September 15, 2026, and we’d appreciate your support. The top three finalists in each category will be showcased during the Vision trade fair in Stuttgart.
inspect award • automation, image processing, and light and laser technology in industrial environments The jury for the inspect award 2026 has made an initial selection and nominated ten products in each of the categories Vision, Automation + Control, Artificial Intelligence, and Midsize Company Innovation. But which new development is truly innovative, offers the greatest benefit to the user, or has...
Common Machine Vision Applications for Polarizers
Reflections from shiny or transparent surfaces can hide critical inspection details. Polarizing filters help eliminate glare and improve contrast, making features easier to detect and analyze.
Typical applications include:
• PCB inspection and flux detection
• Reading codes on reflective metal parts
• Glass and plastic inspection
• Liquid or coating detection
• Surface defect inspection
By reducing reflections and enhancing image clarity, polarizers help create more reliable machine vision inspection results.
05/25/2026
MidOpt® honors and remembers the brave men and women who made the ultimate sacrifice in service to our country this Memorial Day.
Please note our office will be closed Monday, May 25 in observance of the holiday. Shipping operations will resume Tuesday, May 26.
We wish you and your family a safe and meaningful Memorial Day weekend.
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Contact the practice
Telephone
Website
Address
322 N Woodwork Lane
Palatine, IL
60067
Opening Hours
| Monday | 7am - 5pm |
| Tuesday | 7am - 5pm |
| Wednesday | 7am - 5pm |
| Thursday | 7am - 5pm |
| Friday | 7am - 5pm |