What is the Sky Commander? – The Sky Commander is a small self contained computer designed for the specific purpose of locating and identifying celestial objects with a telescope.
How Does it Work? – The computer ‘... [more]
If your scope already has optical encoders installed with a standard encoder cable, you need just the Sky Commander XP4 itself, CMP-XP-4000. If you have a Dobsonian scope you will need the SYS-XP-4000 (includes cable and two 4000 step e... [more]
General purpose encoder mounting kit for Dobsonian type scopes. Includes all hardware
for attaching encoders to dob type scope.
Order encoders & encoder cable separately.