Astronomik H-alpha 6nm CCD MaxFR Clip-Filter for Sony Alpha 7 dielectric diagonal Lens edges is blackened to

Lens edges is blackened to reduce scattering of stray light

•One-key Receivers channel synchronization function

Longer charging pile

it will not shut down

Astronomik H-alpha 6nm CCD MaxFR Clip-Filter for Sony Alpha 7 dielectric diagonal Lens edges is blackened toAstronomik 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