Astronomik H-alpha 6nm CCD MaxFR Clip-Filter for EOS XL Cameras astrophotography camera 4 (12nm filters) and f/2

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

Radio recording Can record the playing radio station

so you do not need to worry battery power loss

Main use: Observing Hydrogen Nebulae

the filters do not degrade over time

Astronomik H-alpha 6nm CCD MaxFR Clip-Filter for EOS XL Cameras astrophotography camera 4 (12nm filters) and f/2Astronomik 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