William Optics 6A - Adapter for Flattener
The William Optics 6A adapter makes it easy to perfectly connect your flattener to your telescope. You screw it in between the M92 and M63 connectors, and everything is immediately firm and straight. This ensures that your image remains nice and flat, without distortion at the edges.

One adapter for a tight, stable connection
The adapter fits exactly on the William Optics Flat 6A and Flat 6A III. You don't have to adjust anything. You snap it in and your optical train remains stable. That means less hassle and more time to shoot.
Compact and light, yet strong
With an optical length of 10.5 mm, the adapter remains small and practical. It adds just enough distance for a neat setup without making your system too long or heavy. This keeps your setup easy to balance and pleasant to use.
Made for consistent image quality
A proper connection between flattener and telescope prevents tilt and minor aberrations. This adapter ensures that your flattener works optimally so that your stars stay round and your image stays sharp to the corners.
Specifications
Capacity
| Feature | Description |
|---|---|
| Suitable for | Flat 6A / Flat 6A III (William Optics) |
| Connection on the other side | M63 |
| Telescope connection | M92 |
| Optical length (mm) | 10,5 |
General
| Feature | Description |
|---|---|
| Type | Adapters |
| Design | Eyepiece adapter |





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