This filter shows you just what is possible with your telescope! – superior observing of planetary nebulae and supernova remnants. A nebula that you might previously have only dimly glimpsed suddenly pops out clearly in front of your eye. Go and have a look out there!
The advantages in a nutshell:
- enhances planetary nebulae and supernova remnants
- 12nm bandpass – darkens the sky and enhances the nebula
- suitable for telescopes from 200mm aperture upwards
- comes with its own test certificate