Zhumell 1.25 Inch High Performance O-lll Telescope Filter

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Highlights

This particular filter allows light transmission in the doubly ionized oxygen wavelengths.  This is particularly good for viewing double star systems where a lot of emissions are in the doubly ionized oxygen range. 

 

Oxygen III (O-III) are great for viewing diffuse and planetary nebulae.  The views of the Veil, Ring, Dumbbell, Crescent and Orion nebulae are dramatically improved.

 

  • Reveal more details of deep sky nebulae
  • Will not degrade image sharpness
  • Great for viewing Veil, Lagoon, Swan, Ring and Dumbbell nebulae
  • 1.25 Inch format, threads to bottom of telescope eyepiece
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