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Ships within 48 hours · Estimated delivery Nov 1 - Nov 6
no halos and needle-sharp stars
Battery saver
Parfocal: No refocusing needed when switching filters
Working current :17mA
If you do a 30-sec exposure without any filters from a light-polluted urban observing site
Astronomik SII 12nm CCD MaxFR 1.25" – High Contrast Imaging Filter svbony sv188p no halos and needle-sharp starsAstronomik SII 12nm CCD MaxFR 1. 25" (M28. 5) 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 Takahashi's Epsilon Astrographs. Our novel MaxFR emission line filters are ideal for very fast focal ratios. The new Astronomik MaxFR series of narrowband emission line filters are perfectly matched for deep
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