Astronomik H-alpha 6nm CCD MaxFR Clip-Filter for EOS XL Cameras astrophotography camera the filters do not degrade

the filters do not degrade over time

1 x BL-5C Li-ion battery

400 mah battery

Made from durable and lightweight aluminum alloy

4 (12nm filters) and f/2 (6nm filters)

Astronomik H-alpha 6nm CCD MaxFR Clip-Filter for EOS XL Cameras astrophotography camera the filters do not degradeAstronomik H alpha 6nm CCD MaxFR Clip Filter EOS XL MaxFR Astronomik photographic narrowband emission line 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 for very fast focal ratios. The new Astronomik MaxFR series of narrowband emission line filters is