Bresser 2″ CLS Nebula Filter for Deep Sky Exploration – Enhance Astronomical Viewing

Besides Air Turbulence, The Brightening Of The Night Sky Is The Biggest Obstacle To Observing Faint Objects Beyond The Solar System. Street Lamps And Other Artificial Lighting Mean That The Sky In Human Settlements Is No Longer Really Black. This Affects The Contrast And Thus The Perception Of Deep-Sky Objects. Depending On The Type Of Celestial Object, However, Part Of Disturbing Artificial Light Can Be Filtered Out, Making It Easier To Observe Fainter Targets.