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Model: tv_nebustar_b2n-0125Part Number: b2n-0125
Designed and manufactured exclusively for Tele Vue by Astronomik.
Every filter is first tested by Astronomik on a spectrograph to ensure the coating meets design specifications, then optically tested by Tele Vue at high magnification to ensure no image degradation.
Ten-year warranty against manufacturing defects.
All filters are a compromise of some sort, but the Nebustar is a brilliant all-around filter that gives OIII and Hb filters a run for the money on many targets, especially in binoculars or smaller aperture telescopes. With the Nebustar under dark skies, I've seen the Horsehead in a large dobsonian and with binoculars, the California Nebula, the Rosette and the Veil with ease. The North America Nebula and Pelican with the Nebustar on binoculars is a sight to behold under even moderately dark skies. Superb light transmission that provides a brighter, more natural view than any other filters I've tried. I've basically stopped using my Astronomik UHC now (still a fine filter but I don't miss the red star bloat), unless it's paired up with the Nebustar on my binoculars. Hard to go wrong with this one.
I only give this 4 stars so far because it's not had a full test as yet but quality of the filter and case is superb. Probably a 5 star item!!!