ADM Losmandy D Style Mounting Tube Rings

These rings are specifically designed for telescope tubes with an outside diameter of 125mm. Before purchasing, measure the diameter of your telescope tube at the point where you intend to mount the rings to ensure a secure, snug fit.

Yes, these rings are engineered to integrate directly with standard Losmandy D-style mounting plates. They provide a stable, standardized connection point for your optical tube assembly.

Aluminum offers an ideal balance of high structural rigidity and relatively low weight. This ensures your telescope remains securely locked in position during long exposures or tracking, without adding unnecessary bulk to your mount's payload.

While these rings are designed for Losmandy D-style systems often found on equatorial mounts, they can be used on any mount that accepts a Losmandy D-style dovetail plate. Ensure your specific alt-azimuth mount is compatible with this mounting standard before installation.

These rings are designed primarily for securing your main optical tube to a mount. They do not come with pre-drilled accessory holes for guide scopes, so you may need to add a separate mounting bracket if you plan to attach additional equipment.