ERF 1.25 inch Filter S-series for Quark Chromosphere

The Player One ERF 1.25″ Filter (S-Series) is designed for safe energy rejection before Hα solar filters like the Daystar Quark Chromosphere. It removes unwanted IR and UV, reducing thermal load and increasing contrast.

Key Features

• Use with Daystar Quark and mono cameras
• Reflects IR/UV to reduce heat and glare
• Size: 1.25″ (M28.5x0.6), slim profile