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Astronomik H-Alpha 6nm CCD MaxFR Filter

$267.88 $133.94

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MaxFR Astronomik 6nm photographic narrowband-emission line filters for fast optical systems

There is an ever growing demand for filters suitable for extremely fast optical systems likeCelestronsRASA 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 perfect matched to the requirements of astronomical deep-sky imaging with fast optical systems. For the three most important emission lines of oxygen (OIII), hydrogen (H-alpha) and sulfur (SII) you may select your filters either with 12nm or 6nm Bandwidth (FWHM).

MaxFR OIII-CCD filter
6nm and 12nm FWHM
MaxFR H-alpha-CCD filter
6nm and 12nm FWHM
MaxFR SIII-CCD filter
6nm and 12nm FWHM






All Astronomik Filters are perfect for modern cameras, including both CMOS and CCD based cameras, allowing you to capture the very best images possible with your instruments. Sharpness, contrast and the absence of any reflections is guaranteed.


Each and every Astronomik filter has to pass a complex quality control process before being suitable for delivery to our customers. Each and every emission line filter is measured with a high-end Perkin-Elmer spectral-photometer to make sure that every single filter is up to the specifications published on our website.


On the back of each filter-box you will find a label that details t

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