Thread: New narrow band filter to be released
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Old 01-07-2020, 12:55 PM
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billdan (Bill)
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Join Date: Mar 2012
Location: Narangba, SE QLD
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I have my eyes on the Antlia 3.5nm filters.
Waiting on them to make a 31mm version.
They only do 1.25" mounted, 36mm or 2 inch mounted.

https://www.astroungu.com.au/product...and-filter-set
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