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Purchase MIdOpt Filters, Polarizers, and more from Machine Vision Direct

Midwest Optical Systems (MidOpt)

Midwest Optical Systems (known as MidOpt) is the market leader in Machine Vision Optical Filters, Polarizers, and Optical Conditioning. Precision Engineered in Palatine, Illinois (on the outskirts of Chicago), MidOpt manufactures optical filter solutions for machine vision, agriculture, research, and defense applications.

MidOpt’s innovative product offering is unique in its ability to be offered in nearly any form, whether mounted on the end of a machine vision lens, designed into an OEM application, or even used as protective windows – MidOpt’s ability to manufacture components in house allows for the quick turnaround of OEM applications, as well as the ability to offer one-off customs at meager costs.

MidOpt filters are the premier solution for industrial imaging to ensure flawless control, dependable results, and the best image quality. Every filter is produced with the highest standards in durability so that it can withstand even the harshest environments. Unlike traditional filters, MidOpt filters are designed with a Gaussian transmission curve to allow maximum transmission, emulate the output of the most common LED wavelengths, and are less angularly dependent.

Midwest Optical Systems

Machine Vision Filters and More

Midopt filters differentiate from the market by being designed with a Gaussian transmission curve to allow maximum transmission, emulate the output of the most common LED wavelengths, and have less angular dependence.

MidOpt's product offering spans a breadth of solutions for virtually any vision application.

Made in the USA in palatine, Illinois, MidOpt offers OEM solutions with quick turn around time through engineering partners like machine vision direct.

MidOpt filters are offered for sale through Machine Vision Direct’s innovative web store for customers who know what they need and through consultation and traditional procurement through Machine Vision Direct’s engineering, sales, and customer service teams. MVD is a top distributor for MidOpt and excels at OEM solutions for customers focusing on projects from Automotive Manufacturing to Agriculture/Farming, Autonomous Vehicles, Logistics, Parcel Singulation, Robotics, and more.

We Design & Sell Optical Filters

Machine Vision Direct offers far beyond what our standard offering is on Many customers need customization beyond what can be configured on our website for Midwest Optical Systems. Contact us at or (800) 834-5588 to talk to our sales or engineering staff, who can assist with designing semi-custom and custom solutions for your needs.

MidOpt Polarizers available at
MidOpt Bandpass Filter Swatch Kit available at

Fully Custom Solutions

Full Custom Solutions are available for applications where an out of the box solution will not work. Through the use of MidOpt’s in house manufacturing, Machine Vision Direct and MidOpt can provide rapid prototyping for fully custom machine vision optical solutions

Semi-Custom Solutions

Sometimes the missing link to a solution can be as small as a custom cut shape, a stacking of multiple filters-standard LED wavelength, a custom bandpass range, or even just a custom OEM Part Number. Machine Vision Direct excels at making these simple customizations to MidOpt products.

Midwest Optical Systems |
Machine Vision Optical Filters
and Light Conditioning

Midwest Optical Systems, headquartered in Palatine, Illinois, has 30 years of experience and innovation in the fields of optical design, fabrication and inspection. MidOpt is a worldwide leader in machine vision filters and optical solutions. They are represented in over 30 countries by Machine Vision Direct and offer over 3,000 cutting-edge products in standard variations alone.