ZWO AM3 & AM5 Counterweight Bar - BC230 type-filters-and-accessories This American made material offers

This American made material offers exceptional resistance to mildew and UV as well as superior strength and abrasion resistance

In a nutshell

an older child

The StarField M48 T-Ring has wide M48 threads on the telescope

Good for terrestrial and celestial observing

ZWO AM3 & AM5 Counterweight Bar - BC230 type-filters-and-accessories This American made material offersThis 230 mm counterweight shaft is designed to attach to the bottom of the ZWO AM5 or AM5 mount and others that would accept a screw with M12x1. 75 mm threads. The shaft is 20 mm in diameter and is made of 304 stainless steel. Use a counterweight (sold separately) that is made to slide onto a 20 mm diameter counterweight shaft (like this one). A counterweight (sold separately) and counterweight bar is needed when the load on the AM5 mount is over 13