iOptron iAFS3 / M117 Adapter - Strong connection for your focus system
Complete your iOptron focus system with the iOptron iAFS3 / M117 Adapter.
This adapter provides a sturdy, reliable link between your iAFS3 auto focuser and telescopes with a M117x1 thread. This keeps your focus stable and accurate, even in heavy setups.

Perfect match with GSO RC telescopes
Designed to work seamlessly with GSO RC10, RC12, RC14, RC16 and other GSO telescopes with the same connection.
The adapter fits perfectly, keeping your focus system properly aligned - crucial for razor-sharp images in astrophotography or visual observation.
Durable and lightweight design
The all-aluminum housing provides strength without adding unnecessary weight. This keeps your telescope well balanced, and you can rely on a stable connection night after night.
Easy to assemble
Simply screw the adapter onto your telescope. No complicated installation - just plug it in and you're ready to focus.
Specifications
Capacity
| Feature | Description |
|---|---|
| Telescope connection | M117 x 1 |
| Connection other side | iAFS3 |
General
| Feature | Description |
|---|---|
| Type | Adapter |
| Design | Oculai adapter |
| Series | iAFS |
| Material | Aluminum |





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