Astrophotography: DIY Equatorial mount
20:01
You NEED to know this BEFORE buying! Strain Wave Gear/Harmonic Mount Specs EXPLAINED!
10:35
Astrophotography on a Budget: Assembly your DIY $399 Harmonic mount!
18:45
Telescope Back Focus: The Ultimate Guide [TAIC Short]
9:15
New Tracking Kit - Onstep V4 Pro Unboxing and Installation
18:19
How To REALLY Set Up An Equatorial Telescope Mount - Beginners only please! ( by #reflactor )
10:31
$800 duel-17 harmonic mount: Clearsky ST17
25:28
Budget Tracking & GoTo Options Including OnStep for Astrophotography
11:17