Optolong HSO (HOS) 1.25" Narrowband Filter Set (7nm/ 6.5nm/ 6.5nm)
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Excellent condition, Optolong Narrowband 1.25" Filter set. Set includes.
(1) Hydrogen Alpha filter, 7nm
(1) Oxygen III filter, 6.5nm
(1) Sulfur II, 6.5nm
Free shipping (my choice carrier). CONUS only,
PayPal, please add 3% to cover fees
(1) Hydrogen Alpha filter, 7nm
(1) Oxygen III filter, 6.5nm
(1) Sulfur II, 6.5nm
Free shipping (my choice carrier). CONUS only,
PayPal, please add 3% to cover fees
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