This 5kg counterweight is compatible with various iOptron mounts, specifically:

• CEM70, CEM70EC, CEM70G
• CEM60, CEM60EC
• GEM45, GEM45EC, GEM45G
• CEM40, CEM40EC, CEM40G (make sure you have the later version with a 28mm counterweight shaft)
• iEQ45 Pro
• iEQ45

If you have a CEM40 mount, double-check the diameter of your counterweight shaft before making a purchase.

Additionally, this counterweight can be used with any other mount that features a 28mm diameter counterweight shaft.

Specifications

Actual dimension, except inner diameter, may be different. Design may change without notice.