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Narrow Band Filter Set
Set of 3 Custom Scientific 1.25" mounted narrow band filters, effectively in as new condition.
At 4.5nm CS are a tighter band pass than standard 5nm AstroDons and have very robust coatings.
Basically half price, Asking $600 for all three.
Last edited by Peter Ward; 15-02-2017 at 06:54 AM.
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