Kson O-III (Oxygen 3) Filter (Light Pollution) 2″ Telescope Eyepiece Filter


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See Nebulae the way you were meant to

This extremely versatile filter can be used to cut out large amounts of light pollution and improve visibility  – It is often considered the most important filter to get after you have a UHC filter.  This one is 2″, so you can use it with your larger, 2″ eyepieces (See also our 2″ UHC and 2″ H-Beta filters we have available).

Astro Dog is Kson’s Authorised Australian Dealer – Genuine Stock, Actually made by Kson themselves, Shipped from Brisbane, Australia


  • Kson 2″ O-III (Oxygen 3) Filter
  • Plastic Case for safe, dust free storage
Weight .2 kg
Dimensions 22 × 10 × 9 cm

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