Polarizers For Machine Vision, Photogrammetry, Photography, & Video

Camera filters, sunglasses, and machine vision systems greatly benefit from the use of a linear or circular polarizer. As with all API polarizers, the new API 50% transmission circular polarizer offers low birefringence, high resolution and clarity, excellent heat and humidity resistance, and superior durability. The polarizers are offered in neutral grey with right or left-handed polarization.

Adhesive or Non-Adhesive Backed Linear and Circular Polarizing Film
Laminating Capabilities to Acrylic or Glass
Numerous Transmissions Available
Wide Range of Thicknesses
Laser & Waterjet Cutting Services for Your Specific Requirements
Replacements for Polaroid and 3M HN32, HN38, HN42 & HN42HE Linear Polarizer Films

Home Solutions by Industry Polarizers For Machine Vision, Photogrammetry, Photography, & Video

Trust the Specialists in Polarized Products for Photo & Video

Glass Linear Polarizers

API offers a wide range of glass linear polarized filters in ready cut to size. Fit your application with linear polarizers, circular polarizers, quarter wave plates and half wave plates available in a range of stock or custom sizes and laminates.

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Glass Circular Polarizers

API offers glass circular polarizers for a broad range of applications and sizes for the electronics, photographic, scientific, sensor, and industrial markets. We also offer our circularly polarized filters as films or laminated to acrylic.

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Acrylic Circular Polarizers

API offers acrylic circular polarizers for a broad range of applications in the electronics, photographic, scientific, sensor, and industrial markets. We also offer our circularly polarized filters as films or laminated to glass.

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ISO Quality Guarantee

API’s expertise in polarization is backed by our ISO 9001:2015 certification, 50+ years of experience, and high quality standards.

ISO 9001 Information

Need a Custom Cut Filter?

API is proud to offer industry leading laser and water jet cutting abilities.
Paired with state of the art optical part measuring equipment, we provide the accuracy and precision your project demands.