iOptron 2.2 lb. Counterweight for SmartEQ Mounts
iOptron 1 kg Counterweight for SmartEQ & SmartEQ Pro Mounts
This black, 2.2 lb. counterweight is made to fit the iOptron SmartEQ and SmartEQ Pro equatorial mounts. Slide it onto the counterweight shaft and lock it into place.
The inside diameter of the iOptron 1 kg Counterweight is 16.1 mm, which means it will fit any counterweight shaft with a diameter of 16 mm. The outside diameter is 78.6 mm, and the depth is 25.8 mm, or one inch.