SVBONY M48 Variable Extension Tube 24-35mm on Both Sides for Astrophotography

Features:
1. You can use the extension tube to extend the length of your astronomy telescope, it is very suitable for beginners and professionals. 
2. The extension ring is made of nickel-plated aluminum with a smooth surface, which provides better grip and protects the ring from corrosion. 
3. Svbony telescope extender for astronomical viewing and observation of bird watching, wildlife, landscape, bird watching, etc. 
4. The svbony telescope tube is designed to provide the highest level of light transmission and protection for your telescope. it can be used as a focal point for astronomy and photography. 
5. The extension tube is made of high-quality aluminum alloy material, which is durable and has a long service life. 
6. Easy to install and remove, the extension tube is easy to install and remove. it can be used for a long time without any tools.