[NEW] Optolong L-Ultimate 3nm Filter Review - Signal, Contrast, Halos?! Galactic Hunter 9:00 1 year ago 12 969 Скачать Далее
Imaging the Prawn Nebula with the Optolong 3nm filters Logan's Astro 10:07 2 years ago 580 Скачать Далее
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
NEW 3nm bandpass Ha, Oiii and Sii narrowband filters from Optolong are AWESOME Kamil Pekala 15:10 2 years ago 4 400 Скачать Далее
The Elephants Trunk Nebula In SHO & 3nm Antlia Filters Simon’s Astro 6:58 1 year ago 1 029 Скачать Далее
Antlia Filters 3nm Installing into ZWO Filter wheel Simon’s Astro 12:35 1 year ago 1 526 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
Multiple Astrophotography Rigs. Episode 1: How NOT to mount your Optolong filters in an EFW Martin Schoenmaker 11:29 2 years ago 1 858 Скачать Далее