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CC-3-DA Direct-attach Cosine Corrector

Item Code: CC-3-DA



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Cosine correctors are optical diffusers (opaline glass, PTFE or Spectralon) that couple to fibers and spectrometers to collect signal from 180° field of view. Cosine correctors are specified for setups requiring the redistribution of incident light, such as measuring spectral irradiance of a plane surface in air or other media.


  • Wide FOV – collects light from 180° field of view
  • Versatile – 74-DA version couples directly to the spectrometer
  • Applications -- ideal for intensity measurements of LEDs, light sources and solar sources

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Subject to change depending on model type


Connects To:
Optical Diffuser:
Wavelength Range:
200nm - 2.5μm
Diffusers (Diameter):
7140 µm
Dimensions (OD):
12.7 mm
Field Of View:
Replacement Diffuser:
Yes, with restrictions*