The Player One ERF 2″ Filter (S-Series) provides energy rejection before Hα filters like the Daystar Quark Chromosphere. It reflects infrared and ultraviolet light to reduce thermal load and enhance contrast in solar setups.

Key Features

• Optimized for Quark + mono camera setups
• Reflects IR/UV to reduce heat and glare
• 2″ threaded (M48x0.75); low-profile mount