ERF 2 inch Filter S-series for Quark Chromosphere

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

Why Choose This Product?

• Improves safety and contrast:
  Blocks unwanted wavelengths before the Hα filter.
• Designed for solar imaging:
  Ideal complement to Quark Chromosphere filters.
• 2″ compatibility:
  Fits common wheels and drawers with M48 thread.
• Reduces thermal stress:
  Reflective coatings minimize heat buildup.