Astronomik H-alpha 6nm CCD MaxFR Clip-Filter for Sony Alpha 7 dielectric diagonal The optical performance of your

The optical performance of your telescope is not reduced by the filter in any way

Longer charging pile

the light is green

an H-alpha is the best choice for all nebulae glowing red

optimized for maximum photon counts on CCD sensors

Astronomik H-alpha 6nm CCD MaxFR Clip-Filter for Sony Alpha 7 dielectric diagonal The optical performance of yourAstronomik H alpha 6nm CCD MaxFR Clip Filter Sony alpha 7 MaxFR Astronomik photographic narrowband emissionline filters for fast optical systems. There is an ever growing demand for filters suitable for extremely fast optical systems like Celestron's RASA and the Epsilon Astrographs made by Takahashi. Our novel MaxFR emission line filters are suitable up to very fast focal ratios. The new Astronomik MaxFR series of narrowband emissionline filters is