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FILTER SELECTION

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Types Of Filters: Oxygen III
Manufacturer: Celestron

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1.25" (1)
2" (1)
48mm (1)

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1.25" Oxygen III Line band filter

$99.95

2 Review(s)

This Celestron Oxygen III light pollution filter has a very narrow passband for very high contrast on emission nebulas, making it a good choice for city and suburban observing . . .
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48mm Oxygen III line band filter for 2" eyepieces

$139.95

1 Review(s)

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 . . .