Polarizing Filters reduce reflection, enhance contrast and detect imperfections in transparent materials. They’re best used for applications that have overwhelming reflection when inspecting objects on shiny surfaces.


Polarizers are designed to reduce specular glare by passing only the light polarized in the direction perpendicular to the reflected light (glare). In addition, they help improve contrast, increase color saturation and detect imperfections in transparent materials. MidOpt Polarizing Filters can be easily and securely mounted to your lens and light source for maximum extinction or glare reduction.

*Please specify the axis of polarization direction when inquiring about film

Polarizing Filters

  • Contrast ratios average up to 10,000:1
  • Linear, circular and wire grid polarizers are available for visible (VIS) and near-infrared (NIR) spectrums
  • Rotating mount with locking thumb screw to fine tune glare reduction
  • Exceptional surface quality; 40/20 scratch/dig

Polarizing Film

  • Achieves optimal glare reduction when placed over light source
  • Contrast ratios average up to 10,000:1
  • Linear polarizers are available for VIS and NIR requirements
  • Left and right circular polarizers are available for VIS spectrum applications
  • Offered in high-temperature-resistant laminate and glass
  • PSA007 and HTA008 material comes standard with self-adhesive backing

MOUNT & SIZE OPTIONS: Polarizing Filters and Films are available from stock and are ready to ship. Polarizing Filters are available in Threaded Mounts, sizes M22.5 to M105; Slip Mounts; or Unmounted. Polarizing Films are available in multiple thicknesses, and can be custom laser cut to fit any light source with a maximum usable width of 16.5″ and length up to 300′.

Polarizers are commonly used to reduce glare from non-metallic in objects with smooth surfaces or surfaces covered with grease, oil or liquid. For best results, use an optical-grade Polarizer over the lens and Polarizing Film over the light source. The PR120/PG120 offers ultra-high contrast and an anti-reflection oleophobic coating.