HARMONIC DRIVE Mounts Showdown! HEM27 vs. AM5

Use this link to get $25 off your PPA membership: In this video I review two new harmonic drive mounts: the iOptron HEM27 and ZWO AM5. I also compare them to my tried-and-true Sky-watcher EQ6-R. Product Links (affiliated) ============================= ZWO AM5 Mount - iOptron HEM27A Mount (with iPolar) - Sky-watcher EQ6-R Pro Mount - Apertura EQ6-R Case Set - ZWO TC40 Carbon Fiber Tripod for AM5 - iOptron Carbon Fiber Tripod for HEM27 - ZWO Counterweight Bar for AM5 - HEM27 Counterweight Shaft - iOptron 10 lb. Counterweight for AM5 or HEM27 - ZWO 200mm pier for AM5 - iOptron MiniPier for HEM27 -