NEW 3nm bandpass Ha, Oiii and Sii narrowband filters from Optolong are AWESOME Kamil Pekala 15:10 2 years ago 4 400 Скачать Далее
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Optolong L-Ultimate Full Review | High Point Scientific High Point Scientific 9:27 2 years ago 12 523 Скачать Далее
OSC Narrowband Filters - What to buy?? Let's compare! Cuiv, The Lazy Geek 24:36 3 years ago 32 120 Скачать Далее
[2022 NEW] Optolong L-Ultimate dual-3nm filter Optolong Astronomy Filter 0:40 2 years ago 1 918 Скачать Далее
ZWO Narrowband Filter Set Review - 7nm Band Pass My Engineering Projects 5:36 1 year ago 602 Скачать Далее
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Optolong SHO-3nm narrow banpass telescope filters kit for monochrome cooling CCD ZWO ASI2600mm-pro Optolong Astronomy Filter 2:11 2 years ago 126 Скачать Далее
Just How Good is the Antlia 3nm Oxygen III NB Filter? Antlia 3nm vs. ZWO 7nm #astronomy #astro AstroQuest1 13:12 1 year ago 3 704 Скачать Далее