3-inch Self-Centering Focuser Style:For 152mm ES Refractors / Other Brand Refractors (No Back Cell Adapter) the GOTO system can be

the GOTO system can be easily operated from your own Apple

which means when you look through the finder and center an object

and unique viewing options

wildlife monitoring and stargazing to a whole new level

3-inch Self-Centering Focuser Style:For 152mm ES Refractors / Other Brand Refractors (No Back Cell Adapter) the GOTO system can beWith its ability to support heavy imaging trains without sacrificing stability, precision or smooth rotation, the robust Explore Scientific 3 inch Self Centering Focuser is designed to meet the demanding requirements of astrophotography. This heavy duty focuser has a self centering compression system that applies pressure equally to the draw tube, guaranteeing a tight, secure fit. This uniform pressure creates a stable base for an imaging setup and