William Optics 3.5 - Sturdy, smooth and secure
The William Optics 3.5 Rotolock Visual Back ensures that your eyepieces and accessories are securely fastened. You screw them on and they are instantly secure. No tilting, no play. This keeps your image stable and clear, even with heavy eyepieces.
Easy and quick to use
Thanks to the Twist-Lock principle, the adapter clamps evenly. You can change accessories without fuss and without losing your view. Everything stays precisely aligned, so you enjoy your stargazing experience to the fullest.
Perfect for large FLT refractors
You screw the Rotolock directly onto the 3.5″ extension tube of your FluoroStar. On the eyepiece side, you have a generous 2″ opening. This allows you to use all your large eyepieces and accessories without limitations.
Durable and stylish
The aluminum housing feels sturdy and remains stable even with heavy use. The gold finish gives your setup a professional look.
Specifications
Capacity
| Feature | Description |
|---|---|
| Ocular connection | 2″ |
| Connection on the other side | 3,5″ |
| Telescope connection | M63 |
General
| Feature | Description |
|---|---|
| Color | Gold |
| Design | Eyepiece adapter |
| Type | Adapters |
| Product Safety | Yes |
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