Astro-Physics RAPAS-900 Right-Angle Polar Alignment Scope Adapter for 900GTO
This adapter fastens to the polar axis rear plate on the 900 mount, allowing use of our Right-Angle Polar Alignment Scope (RAPAS) . The RAPAS can be used with all 900 mounts. This adapter is push/pull adjustable for precise alignment. Once adjusted, it will retain its precision, allowing the polar alignment scope to be removed and re-inserted as needed. Includes three replacement (longer) socket head cap screws.