All-Metal Barrel Clamp – Fit 80EQ 80DX 90EQ & 90mm OD Tubes
Secure your telescope with these 90mm all-metal tube rings. Designed for telescopes with 90mm outer diameter tubes, they are the perfect mounting solution for popular models like Celestron 80EQ, 80DX, 90EQ, and other 90mm refractors. Made from durable metal with protective inner padding, these rings provide a secure, scratch-free grip for mounting your optical tube assembly (OTA) onto equatorial or alt-azimuth mounts.
| Feature | Benefit |
|---|---|
| 90mm Inner Diameter | Perfect fit for 80EQ, 80DX, 90EQ and other 90mm OD telescopes |
| All-Metal Construction | Sturdy, durable, and vibration-resistant – built to last |
| Protective Inner Padding | Soft foam lining prevents scratches on your telescope tube |
| Secure Clamping | Adjustable screws hold your OTA firmly in place |
| Easy Installation | Simple bolt-on design – no special tools required |
| Pair Included | Complete set of two rings for balanced mounting |
| Parameter | Details |
|---|---|
| Inner Diameter | 90mm |
| Material | Aluminum alloy (metal) |
| Lining | Protective foam/fleece padding |
| Compatible Tube OD | 90mm |
| Compatible Models | Celestron 80EQ, 80DX, 90EQ, other 90mm refractors |
| Included | 2 x Tube Rings (pair) |
| Model | Compatibility |
|---|---|
| Celestron 80EQ | ✅ Perfect fit |
| Celestron 80DX | ✅ Perfect fit |
| Celestron 90EQ | ✅ Perfect fit |
| Other 90mm OD refractors | ✅ Compatible |
Open – Loosen the screws to open the rings.
Position – Place the rings around your telescope tube, near the center of gravity.
Secure – Tighten the screws evenly. The soft padding protects your tube finish.
Mount – Attach a dovetail plate (sold separately) to the ring bases, then slide into your mount saddle.
Balance Tip: Loosen slightly to slide the rings along the tube until your telescope balances perfectly, then re-tighten.
2 x 90mm Tube Rings (pair)
Protective padding pre-installed
Mounting screws