Astronomik H-alpha 6nm CCD MaxFR 1.25" (M28.5) Filter for Fast Systems Spotting Scope Mount an H-alpha filter should be

an H-alpha filter should be your first step into astrophotography

This makes the eyepiece especially useful for lunar observing

wildlife shots

remote kill stun/activate

How to use the cell phone adapter mount

Astronomik H-alpha 6nm CCD MaxFR 1.25" (M28.5) Filter for Fast Systems Spotting Scope Mount an H-alpha filter should beAstronomik H alpha 6nm CCD MaxFR 1,25'' (M28,5) 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 Celestrons 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 emission line filters is perfectly