The Platform can be quickly reset for a new tracking run with a simple pull of a handle.
The direct roller drive on the large sector offers superior tracking. There is no short term periodic error as with a gear or pulley, and there is no tangent error as with a threaded rod.
1. Cover page 2. Table of Contents 3. Overview 4. Giving Your Big Dob The Ability To Track The Sky... 5. Owners Speak Out... 6. Platform Components 7. Platform Operation - photographic illustrations 8 Astrophotography with an Equatorial Platform 9. More astrophotos using Equatorial Platforms 10. Platform Features 11. Price List