Thread: [SOLD] Oxygen III filter for visaul use
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Old 30-11-2014, 01:10 PM
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OneCosmos (Chris)
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Join Date: Apr 2010
Location: Brisbane
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Oxygen III filter for visaul use
I don't recall the make, but think it may be Baader. I also remember phenomenal views of the Veil nebula using this filter with the 31mm Nagler.

$50
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Last edited by OneCosmos; 01-12-2014 at 09:43 PM.