iOptron CEM25 and ZEQ25 Counterweight Shaft Extension: extension shaft for CEM25 and ZEQ25
You screw this 26.6 cm extension onto the original counterweight shaft of your CEM25 or ZEQ25. Due to the longer lever arm, you can balance a heavier telescope tube without purchasing additional weights or replacing the original shaft.
The diameter matches the original bar and weights perfectly, ensuring everything is securely fastened without any play.

Stable with heavier pipes
More leverage means less mass on the bar for the same balance. This keeps the setup light and limits vibrations during observation and photography.
Included
- Extension rod 26.6 cm
Featured accessories
Combine the extension with the 1.35 kg counterweight with a 20 mm bore for fine balancing.
For whom yes and for whom no
- ✓ CEM25 and ZEQ25 owners who want to balance a heavier telescope
- ✗ Mounting outside the CEM25/ZEQ25 family
Specifications
| Length | 26.6 cm |
| Suitable for | iOptron CEM25 and ZEQ25, original counterweights |
You can find more mounts and accessories for this merk at the iOptron merk page.





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