Thread: [SOLD] 2" 7nm H-α filter
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Old 22-01-2020, 04:03 PM
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LewisM is offline
Join Date: Aug 2012
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2" 7nm H-α filter

Optolong 7nm H-α filter. With plastic hard case.

$40 posted.
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Last edited by LewisM; 24-01-2020 at 05:11 PM.