Reduce the effects of sodium vapor light pollution on your night sky images.

  • available exclusively on lonelyspeck.com
  • three square filter sizes available (85mm, 100mm, & 150mm)
  • requires a square filter holder and the appropriately-sized system adapter ring to fit your lens (not included)
  • anti-reflective multi-coating greatly reduces internal reflections and ghosting
  • premium filter pouch included
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View our product details page for more information and sample images.

In-stock items ship out in 1-2 business days.

*Ships from California. Tracking may not be available for certain international destinations. You are responsible for any customs fees imposed by your country (e.g. VAT is not included).

Additional information


85mm square filter, 100mm square filter, 150mm square filter