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25 x 25mm Left-Handed Circular Polarizing Film (CP42HE)

Stock #88-083 Clearance 10 to 12 days
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Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Length (mm):
Operating Temperature (°C):
-40 to +80
Dimensions (mm):
25.0 x 25.0
Thickness (mm):
0.27 ±0.04
Transmission (%):
Left-Handed Circular Polarizer
Dimensional Tolerance (mm):
Polarizing Film
Wavelength Range (nm):
400 - 700
Polarization Efficiency (%):
Heat Resistance (°C x Hours):
80 x 500
Width (mm):

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
Reach 235:

Product Family Description

  • Greater than 42% Transmission
  • Available with Film or Plastic Substrate
  • Right-Handed or Left-Handed Designs Available

Circular Polarizers (CP42HE and CP42HER) are ideal for reducing glare in a variety of imaging applications or for increasing the visibility of displays in bright environments. These circular polarizers feature excellent transmission of visible light from 400 – 700nm. The plastic substrate offers increased durability, while the film substrate offers increased flexibility and can be cut to fit an application’s needs. Circular Polarizers (CP42HE and CP42HER) have Left-handed (CP42HE) and right-handed (CP42HER) polarization directions available. The best performance will be achieved at 560nm and polarization may become more elliptical the further the deviation from this recommended wavelength.

Immediate Custom Quotes Available

If you have a need for any round, square, or rectangular size of a Circular Polarizer (CP42HE and CP42HER) in dimensions between 3mm and 600mm, please visit our Polarizing Film Tool.  We’ll provide an immediate quote, and can deliver the part to your requested size in approximately 3 weeks.  A full list of standard manufacturing tolerances and restrictions are listed.  For fully customized polymer polarizers to your requirements, visit our Customized Polymer Polarizers Capabilities page.

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