iOptron iAFS2 / M90 Adapter: telescope adapter for the iAFS2
With this aluminum adapter, you can mount the iOptron iAFS2 automatic focus system on telescopes with M90x1 threaded connections, such as the GSO RC6 and RC8. The adapter forms the fixed, backlash-free connection between the telescope and the focus system. The connection on the telescope side is M90x1.
A rigid coupling is essential for an autofocusser: any play translates into focus shift as soon as the tube changes position.



Light, stiff and ready to mount
Aluminum is lightweight and dimensionally stable: the adapter adds virtually no weight to the rear of the tube and keeps the focuser perfectly aligned with the optical axis. Installation is simply screwing it on; no modifications to the telescope are necessary.
Included
- Aluminum adapter
Featured accessories
No focuser yet? The iAFS2 is the matching automatic focuser.
For whom yes and for whom no
- ✓ Owners of telescopes with M90x1 threaded connections, such as the GSO RC6 and RC8 that want to mount the iAFS2
- ✗ Other telescopes: choose the adapter that fits your connection
Specifications
| Suitable for | telescopes with M90x1 thread, such as the GSO RC6 and RC8 |
| For focuser | iOptron iAFS2 |
| Thread telescope side | M90x1 |
| Material | Aluminum |
You can find more mounts and accessories for this brand at the iOptron brand page.





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