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  1. LP-3 Oxygen III line band filter for 2" ep

    $159.50
    Product description coming soon . . . . . .
  2. 48mm Oxygen III line band filter for 2" eyepieces

    $104.50
    This 2" Celestron Oxygen III light pollution filter has a very narrow passband that blocks out almost all unwanted light pollution, making it a good choice for nebula observing from city and suburban locations . . .
2 Item(s)
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