Peter Ward
13-02-2017, 11:45 AM
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.
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.