Astrophotography Filter, OII, 500.7nm, FWHM 7.1nm, 27mm diameter

Chroma Technology Astronomy Filter

Manufacturer's part number :

OIII/8-27M

Manufacturer CHROMA TECHNOLOGY Fluorescence Filters

Chroma Technology

Description :

The OIII/8-27M model is precision band pass filter with a transmission more than 92% at 500.7nm with a nominal bandwidth of 7.1nm. This OIII/8-27M band pass filter for astrophotography application is 27mm diameter size mounted in 1.25 inch ring.

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    Features

  • Central wavelength: 500.7nm
  • Transmission more than 92%
  • Nominal bandwidth (FWHM): 7.1nm
  • Dimensions: 27mm diameter mounted with 1.25 inch ring
  • 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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