The Explore Scientific 2" O-III nebula filter is an essential tool for observing emission nebulae. Designed to block almost all artificial light, this filter only allows the emission lines of oxygen to pass through, thereby providing enhanced visibility of deep sky objects, even under a slightly illuminated sky. Ideal for observing nebulae like the Cirrus Nebula, this filter is a perfect choice for improving the clarity and contrast of your observations.

• Features:

  • Diameter: 2’’
  • Blocks almost all artificial light
  • Only allows the emission lines of oxygen to pass through
  • Enhances the visibility of emission nebulae

• Benefits:

  • Reveals hidden details of nebulae under light-polluted skies
  • Improves contrast and clarity for sharp and precise observations
  • Perfect for amateur astronomers looking to observe deep sky objects

• Compatibility:

  • Compatible with all 2’’ eyepieces

Discover new facets of nebulae with the Explore Scientific O-III filter, a must-have for sharper and more immersive observations.