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Check out these 5 stars reviews on STC Astro Duo-Narrowband Filter from the worldwide Cyclops Optics customers - Vendor and Group Announcements - Cloudy Nights
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STC Astro Duo-Narrowband Clip Filter (Panasonic M43) + FREE Shipping + FREE LensPen - Cyclops Optics
![Astrophotography: One Shot Colour Narrowband Filter Shootout: STC Astro Duo vs Optolong L-Extreme - YouTube Astrophotography: One Shot Colour Narrowband Filter Shootout: STC Astro Duo vs Optolong L-Extreme - YouTube](https://i.ytimg.com/vi/LicipgEAgDU/maxresdefault.jpg)
Astrophotography: One Shot Colour Narrowband Filter Shootout: STC Astro Duo vs Optolong L-Extreme - YouTube
![Do users of the STC duo narrow band filter recommend it. - DSLR, Mirrorless & General-Purpose Digital Camera DSO Imaging - Cloudy Nights Do users of the STC duo narrow band filter recommend it. - DSLR, Mirrorless & General-Purpose Digital Camera DSO Imaging - Cloudy Nights](https://i.imgur.com/YlxixJS.jpg)
Do users of the STC duo narrow band filter recommend it. - DSLR, Mirrorless & General-Purpose Digital Camera DSO Imaging - Cloudy Nights
![New Cutting Edge Narrowbands Filter: STC Astro Duo-Narrowband - Vendor and Group Announcements - Cloudy Nights New Cutting Edge Narrowbands Filter: STC Astro Duo-Narrowband - Vendor and Group Announcements - Cloudy Nights](https://cdn2.hubspot.net/hub/2617213/hubfs/Gallery/20180114%20M8%20Duo-Narrowband%20QHY183C%20HPS%20Single%2001%20-2048.jpg?t=1515913205146&width=600&height=1095&name=20180114%20M8%20Duo-Narrowband%20QHY183C%20HPS%20Single%2001%20-2048.jpg)