4" APO Refractor Shootout
33:26
5" Refractor Shootout
41:46
4 Telescopes Tested from $300 to $2300
39:16
ASIAIR vs. LAPTOP vs. EAGLE
18:02
Askar 103APO Review After Four Months
15:08
Photographing a FLOWER in DEEP SPACE! - The Rosette Nebula
1:24:46
Tracker vs. No Tracker for ASTROPHOTOGRAPHY (Shooting the Pleiades)
40:55
$300 for a Telescope: Refractor or Reflector?
1:10:44