1. The guide ring is an essential accessory for astronomical telescopes. It is available in a variety of diameters, including 60mm, 68mm, 80mm, 90mm and 102mm, which can be adapted to different models of telescopes. 2. The guide ring adopts a three-point support design to ensure that the telescope remains stable during observation, thereby improving the accuracy and quality of astronomical imaging. 3. The 68mm diameter guide ring can be precisely matched with telescopes of corresponding specifications for seamless integration and optimal performance. 4. Made of high-quality materials, it is durable, reliable and durable, and can withstand the rigorous conditions of outdoor astronomical observations. 5. Whether you are a novice astronomy or an experienced astronomer, this guide ring is an indispensable accessory in your telescope accessories, allowing you to have a more enjoyable and efficient stargazing experience.