5" Refractor Shootout
14:01
Review of the SVBONY SV48P 90mm f/5.5 Telescope. Do We Have a New Budget King Refractor?
18:29
I've got APERTURE FEVER — Askar 185 APO Review
30:10
Huge Telescope. Tiny Sensor. Why?
39:16
ASIAIR vs. LAPTOP vs. EAGLE
51:26
What's Up? Webcast: Picking a Refractor for Visual
18:58
Let's Setup An 80mm SV550 Telescope for Astrophotography
18:46
STOP using the wrong APERTURE.
37:34