iOptron 10 lb / 4.5kg Counterweight with 20mm Bore for ZWO AM3N, AM5N, CEM26, GEM28, & Others

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This 4.5 kg (9.8 lb) iOptron counterweight features a 20mm bore and is compatible with a wide range of iOptron and other telescope mounts that use a 20mm counterweight shaft. It can also be used with the ZWO AM3N and AM5N when paired with the compatible ZWO counterweight bar.
Compatible Mounts
- ZWO AM3N
- ZWO AM5N
- iOptron CEM26 / CEM26EC
- iOptron GEM28 / GEM28EC
- iOptron AZ Mount Pro
- iOptron iEQ30 / iEQ30 Pro
- iOptron CEM25 / CEM25P / CEM25EC
- iOptron ZEQ25
- iOptron MiniTower Pro
- iOptron MiniTower II
- iOptron MiniTower
- iOptron CEM40 / CEM40EC* (early versions with 20mm counterweight shaft)
It may also be used with other telescope mounts equipped with a 20mm diameter counterweight shaft.
*Before ordering for a CEM40 or CEM40EC, verify that your mount has the earlier 20mm counterweight shaft.
Specifications
- Weight: 4.5 kg (10 lb)
- Bore / Inner Diameter: 20 mm (0.78")
- Outer Diameter: 118 mm (4.6")
- Height: 55.5 mm (2.2")
Actual dimensions may vary slightly except for the 20mm inner diameter.
Other Information
- Country of Manufacture: China
This 4.5 kg (9.8 lb) iOptron counterweight features a 20mm bore and is compatible with a wide range of iOptron and other telescope mounts that use a 20mm counterweight shaft. It can also be used with the ZWO AM3N and AM5N when paired with the compatible ZWO counterweight bar.
Compatible Mounts
- ZWO AM3N
- ZWO AM5N
- iOptron CEM26 / CEM26EC
- iOptron GEM28 / GEM28EC
- iOptron AZ Mount Pro
- iOptron iEQ30 / iEQ30 Pro
- iOptron CEM25 / CEM25P / CEM25EC
- iOptron ZEQ25
- iOptron MiniTower Pro
- iOptron MiniTower II
- iOptron MiniTower
- iOptron CEM40 / CEM40EC* (early versions with 20mm counterweight shaft)
It may also be used with other telescope mounts equipped with a 20mm diameter counterweight shaft.
*Before ordering for a CEM40 or CEM40EC, verify that your mount has the earlier 20mm counterweight shaft.
Specifications
- Weight: 4.5 kg (10 lb)
- Bore / Inner Diameter: 20 mm (0.78")
- Outer Diameter: 118 mm (4.6")
- Height: 55.5 mm (2.2")
Actual dimensions may vary slightly except for the 20mm inner diameter.
This 4.5 kg (9.8 lb) iOptron counterweight features a 20mm bore and is compatible with a wide range of iOptron and other telescope mounts that use a 20mm counterweight shaft. It can also be used with the ZWO AM3N and AM5N when paired with the compatible ZWO counterweight bar.
Compatible Mounts
- ZWO AM3N
- ZWO AM5N
- iOptron CEM26 / CEM26EC
- iOptron GEM28 / GEM28EC
- iOptron AZ Mount Pro
- iOptron iEQ30 / iEQ30 Pro
- iOptron CEM25 / CEM25P / CEM25EC
- iOptron ZEQ25
- iOptron MiniTower Pro
- iOptron MiniTower II
- iOptron MiniTower
- iOptron CEM40 / CEM40EC* (early versions with 20mm counterweight shaft)
It may also be used with other telescope mounts equipped with a 20mm diameter counterweight shaft.
*Before ordering for a CEM40 or CEM40EC, verify that your mount has the earlier 20mm counterweight shaft.
Specifications
- Weight: 4.5 kg (10 lb)
- Bore / Inner Diameter: 20 mm (0.78")
- Outer Diameter: 118 mm (4.6")
- Height: 55.5 mm (2.2")
Actual dimensions may vary slightly except for the 20mm inner diameter.
Other Information
- Country of Manufacture: China

iOptron 10 lb / 4.5kg Counterweight with 20mm Bore for ZWO AM3N, AM5N, CEM26, GEM28, & Others
