How to make diagonal telescope? || DIY diagonal telescope
14:13
Cara mudah membuat iris aperture part 1 | diagfragma
11:29
CARA MEMBUAT FOKUSER TELESKOP
6:26
How to build your own Homemade telescope Eyepieces for astronomy
22:28
I Made A $30 Tracker, Is It Any Good?
13:05
Making an RDP (Red's Double Plossl) Telescope Eyepiece
12:00
1/3 Dica: Como construir seu telescópio em casa. Assista também os vídeos 2/3 e 3/3 da play list.
10:09
DIY Helicoid from pvc
18:17