Baader Fringe Killer Filter 2450343 AstroPhysics 155/Celestron NexStar 6/6SE

AstroPhysics 155/Celestron NexStar 6/6SE

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Coating (front face) 23-layer dielectric long pass blocker

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Baader Fringe Killer Filter 2450343 AstroPhysics 155/Celestron NexStar 6/6SEPlanoptically Polished with Phantom Coating Group (PCG). The BAADER Fringe Killer Filter minimizes unwanted blue fringing, comparable to a Minus Violet Filter, while retaining a very pleasing color balance. This would be a contradiction in itself only made possible by applying modern DWDM plasma assisted coating technology, allowing almost a hundred coating layers to be accumulated onto a planoptically polished substrate without destroying the optical