Orion - Sulfur-II Extra Narrowband 1.25"

  • Sulfur-II astrophotography filter allows high-contrast imaging even in light polluted skies
  • Filter passes light at 672.4nm wavelength (S-II line) with a narrow bandpass of 7nm
  • Very high 90% transmission of S-II light allows stunning astrophotos to be captured in city skies
  • 1.25" astrophotography filter made from high-grade glass with dichroic interference and antireflection coatings. Metal filter cell construction.
  • Use with Orion O-III and H-alpha extra-narrowband imaging filters for tricolor CCD astrophotography

142 EUR
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