Material: Metal. Type: Guide Star Ring. Key benefits - Improves guiding accuracy by providing a stable reference around a guide star, helping to keep long-exposure images sharp. - Durable metal construction chosen for long-term reliability and repeatable performance. - Compact, simple design that minimizes interference with the optical path and integrates with existing guide setups. What it does - Serves as a guide star ring to assist with centering and tracking during telescope guiding. - Helps reduce drift and star trailing by giving a consistent reference for guiding systems. Specifications and attributes - Material: Metal - Type: Guide Star Ring - Size: Not specified in the current description; please refer to the product listing for dimensions. - Compatibility: Designed for use with standard guide systems and mounts; specific model compatibility not provided. Use scenarios - Astrophotography with long exposure times where precise guiding is essential to capture sharp images. - Visual telescope guiding sessions to maintain steady star references during observing runs. - Educational demonstrations in astronomy clubs or classrooms to illustrate guiding concepts and alignment. Care and handling - Wipe with a soft, dry cloth to remove dust. - Avoid harsh chemicals that could affect the finish.