Optolong CLS (City Light Suppression) 2”

Optolong CLS (City Light Suppression) 2” is designed to improve contrast and enhance selected wavelengths for night sky observation or astrophotography. Use it to reduce unwanted light and improve visibility of targeted celestial detail.

• Precision optical filter
• Designed for astronomy observation or imaging
• Helps improve contrast in selected viewing conditions
• Confirm eyepiece or camera compatibility before ordering