Astronomik H-alpha 6nm CCD MaxFR Clip-Filter for Sony Alpha 7 Brass Screw Clamp and can also be used

and can also be used for observing brighter deep-sky objects under favourable conditions

nearly all emission line photons reach the sensor

which avoids accidentally pressing the side button

Louder Sound

Astronomik H-alpha 6nm CCD MaxFR Clip-Filter for Sony Alpha 7 Brass Screw Clamp and can also be usedAstronomik 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