Baader Fringe Killer Filter 2450343 and your scope is not

and your scope is not listed

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

AstroPhysics 155/Celestron NexStar 6/6SE

8” (203mm) f/10 Schmidt-Cassegrain includes StarBright XLT coatings for better light transmission

and high quality Secondary Mirror and Parabolic Primary Mirror with Radiant™ Aluminium Quartz RAQ™ Coating with up to 94% Reflectivity

Baader Fringe Killer Filter 2450343 and your scope is notPlanoptically 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