Omegon SCT Adapter - Connect your focuser to a C11 telescope
This black anodized ring makes it easy to connect accessories with a 78 mm connection to your Schmidt-Cassegrain C11 telescope. This will keep your focuser firmly in place and allow you to focus accurately, every time.
Easy mounting
The adapter reduces the C11 thread to 78 mm. Thanks to the included 5× M4 hex screws, you attach the focuser directly and stably. No improvisation required. Everything fits neatly and securely.

Compact and reliable
The adapter has a length of 31 mm and a diameter of 89 mm. The lightweight, anodized aluminum provides strength without adding extra weight to your tube. Your image remains stable and sharp even at higher magnifications.
What we recommend
✓ Use with 78 mm focuser: recommended
✓ Ideal for C11 Schmidt-Cassegrain telescopes
✓ Fast and accurate focusing
✗ Not suitable for other thread sizes
Specifications
Capacity
| Feature | Description |
|---|---|
| Connection | SCT |
| Telescope connection | SC thread |
| Ocula Connection | 78 mm |
| Optical length | 31 mm |
General
| Feature | Description |
|---|---|
| Length | 31 mm |
| Diameter | 89 mm |
| Weight | 80 g |
| Color | Black |





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