Telescope Guide Ring Kit Inner Diameter 50mm for Astrophotography Quality

Product Features: - Inner Diameter: 50mm - Outer Diameter: 65mm - Height: 15mm - Material: Aluminum alloy, anodized - Color: Black - Weight: 60g - Scope of application: used for guide stars in astronomy Features: - Made of high-quality aluminum alloy, precision machined, wear-resistant and durable - Surface anodizing treatment, increase corrosion resistance and extend service life - Easy to install and disassemble, convenient to use - Suitable for refractor telescopes - The guide ring has a positioning screw, which can adjust the concentricity of the main mirror to improve the accuracy of the guide star Benefits: - Provides stable and accurate support for guide stars during astrophotography - Helps to reduce star trailing and improve the overall image quality - Durable and corrosion-resistant construction ensures long-lasting performance - Easy to install and use, saving time and effort Usage: 1. Install the guide ring on the telescope refractor. 2. Adjust the positioning screw to ensure the concentricity of the main mirror. 3. Use the guide star to align the telescope. 4. Start astrophotography.