Astrophotography on a Budget: Assembly your DIY $399 Harmonic mount!
11:17
DIY Harmonic Drive Telescope Mount w/ Rokinon 135 Rig
7:30
Astrophotography: DIY Equatorial mount
10:13
I built an Equatorial Mount for astronomy, with two HarmonicDrive gearboxes
10:01
Обзор монтировки на гармонических редукторах Juwei-17
10:31
$800 duel-17 harmonic mount: Clearsky ST17
5:46
HEQ5 Pro Motherboard replacement
25:28
Budget Tracking & GoTo Options Including OnStep for Astrophotography
32:16