Tracking celestial objects as they travel across the night sky using guided wide-field astrophotography usually requires you set up a heavy telescope mount, even if you just need to support a lightweight camera and lens. The 2.2-pound (1 kg) AstroTrac TT320X-AG is small enough at just 17x3x1.5 inches to be easily folded and tucked into a camera bag. This mount unfolds quickly and reliably, and can be...