Astrophotography Filter, Green, 31mm diameter

Chroma Technology Astronomy Filter

Manufacturer's part number :

Green-31

Manufacturer CHROMA TECHNOLOGY Fluorescence Filters

Chroma Technology

Description :

The Green-31 model is broad band pass filter from 500nm to 575nm with an average transmission more than 91%. This Green-31 band pass filter for astrophotography application is 31mm diameter size.

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    Features

  • Wavelength range: 500nm to 575nm
  • Transmission: Max more than 91%, Min 88%
  • Dimensions: 31mm diameter
  • Durable sputter coatings
  • Filters designed for use with CCD and for f/4 or slower
  • Transmitted wavefront better than 0.25 waves/inch
  • Parallelism <30 arcsec
  • Thickness: 3.0 +/-0.05mm
  • Benefits

  • Extremely durable coatings withstand humidity changes and extreme temperature fluxes and remain spectrally accurate in central wavelength and ban pass adherence
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Filters Type Band pass filter  

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