Nebula Filter O-III 2"

The 2" O-III Nebula Filter from Explore Scientific 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 increasing visibility of deep-sky objects even under slightly lit skies. Ideal for observing nebulae like the Cirrus Nebula, this filter is a perfect choice for improving clarity and contrast in your observations.

• Features:

  • Diameter: 2”
  • Blocks almost all artificial light
  • Allows only the emission lines of oxygen to pass through
  • Improves visibility of emission nebulae

• Advantages:

  • Reveals hidden details of nebulae under light-polluted skies
  • Improves contrast and clarity for sharp and precise observations
  • Perfect for amateur astronomers wanting 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.