GSO 1.25" O-III Nebula Filter


GSO 1.25" O-III Nebula filter.


  • Visual observations of diffuse and planetary nebulae
  • Has a sharp cutoff at 503nm and 492nm
  • Isolating the two ionized oxygen lines at 496nm and 501nm
  • Offers an average of 93% transmission from 503nm to 492nm
  • Comes with a hinged, plastic storage case

Please enquire when stock is indicated as zero.  Availability is typically within 2 months - please enquire.

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  • Model: GSO_ADF
  • Shipping Weight: 0.1kgs
  • 0 Units in Stock
  • Manufactured by: GSO

This product was added to our catalog on Tuesday 25 August, 2009.

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