Astronomik OIII 6nm CCD MaxFR 1.25'' – Premium Deep-Sky Filter Telescope Accessories Fold-up rubber eyecup with removable

Fold-up rubber eyecup with removable section exposing an M42 × 0

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Lens Coating: full bandwidth multi-coated lens (FMC)

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Astronomik OIII 6nm CCD MaxFR 1.25'' – Premium Deep-Sky Filter Telescope Accessories Fold-up rubber eyecup with removableAstronomik OIII 6nm CCD MaxFR 1. 25'' (M28. 5) Filter for Astrophotography MaxFR Narrowband Emission Line Filters for Fast Optical Systems There is an ever growing demand for astrophotography filters suitable for extremely fast optical systems like Celestron's RASA and Takahashi's Epsilon Astrographs. The Astronomik MaxFR series of narrowband emission line filters is designed to deliver the highest quality data for fast optical systems, enabling deep