The Guide Ring is a three-point mounting accessory for astronomical telescopes that provides stable and precise positioning during observation and imaging. Key features and benefits - Size options: 60 mm, 68 mm, 80 mm, 90 mm, and 102 mm diameters to fit a wide range of telescope setups. - Three-point design: ensures stable contact and accurate alignment, reducing poise and movement during use. - 102 mm suitability: the 102 mm diameter version is designed for telescopes of the corresponding size, enhancing overall observing performance. - Precision alignment: helps guide and align the telescope accurately, contributing to clearer, more stable observations and better imaging results. - Compatibility and choice: multiple sizes let you select the most appropriate guide ring for your specific telescope model and observation requirements, making setup efficient and dependable. Usage scenarios - Visual observing on a portable telescope: choose the ring size that matches your telescope diameter to achieve a steady, precise mounting for comfortable long observing sessions. - Astrophotography and long-exposure imaging: use the guide ring to improve guiding stability and tracking accuracy, helping to minimize star trails. - Field or observatory versatility: maintain a set of guide rings in different sizes to quickly adapt to different instruments or configurations, enabling professional and enjoyable exploration across setups. Function, compatibility, size, and performance - Functions: provides stable three-point support, accurate alignment, and improved guiding performance. - Compatibility: available in multiple diameters to match various telescope models and observation needs. - Size: 60, 68, 80, 90, and 102 mm options to fit different instrument openings. - Performance: designed to enhance guiding stability and image quality during observations and imaging sessions.