This counterweight, weighing in at 4.5 kg (approximately 10 lbs), is compatible with a range of iOptron mounts, including:

• CEM26/CEM26EC
• HEM27/HEM27EC
• GEM28/GEM28EC
• HAE29/HAE29EC
• HAE43/HAE43EC
• HEM44/HEM44EC
• AZ Mount Pro
• iEQ30/iEQ30 Pro
• CEM25/CEM25P/CEM25EC
• ZEQ25
• MiniTower Pro
• MiniTower II
• MiniTower
• CEM40/CEM40EC (Note: This applies only to early versions with a 20mm CW shaft)

Before you go ahead and order for your CEM40/CEM40EC, make sure to double-check the diameter of the counterweight (CW) shaft.

Additionally, this counterweight is versatile enough to fit any other mount that features a 20mm diameter counterweight shaft.

Specifications

Weight: 4.5 kg 9.8 lbs Outer diameter : 118 mm 4.6 in. inner diameter: 20 mm 0.78 in. Height: 55.5 mm 2.2 in. Actual dimension, except inner diameter, may be different.