Anti-Halo PRO Dual-Band 2″ Ha+OIII filter
559,00 €
Player One Astronomy’s latest filter is a duoband narrowband filter for deep sky imaging, which the manufacturer promises is completely free of halos around bright stars! The bandwidth of hydrogen alp
Description
Player One Astronomy’s latest filter is a duoband narrowband filter for deep sky imaging, which the manufacturer promises is completely free of halos around bright stars! The bandwidth of hydrogen alpha is 3.7±0.5nm and that of OIII is 3.2±0.5nm. The filter is perfect for shooting in the city in an area with light pollution. At its best, the description of deep sky objects is in a dark location. Best suited for telescopes with an aperture ratio of f/3.6 or greater. Optimized for use with CMOS and CCD cameras.
Explore these guides from our Astro Wiki to learn more about this type of equipment:
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