Features: This 0.965 inch 15mm telescope eyepiece boasts broad spectrum compatibility, fitting a wide ranging of astronomical telescopes to eliminate user hassles during accessory upgrades. Made from lightweight and plastic materials, it reduces overall telescope weight for extended, comfortable use while delivering exceptionally optically clear through special design. Designed for beginners, seasoned astronomy enthusiasts, and families, it offer an accessible entry point for all ages to engaged in educational stargazing activities. Ideal for nighttime celestials observations, astrophotography, and outdoor astronomy event, it ensures quick, tool less installation for seamless transitioning in various settings. Enhances your stargazing adventures with this easy to use eyepiece, promoting family bonding and sparking scientific interest through shared cosmic exploration. Specifications: Component: plastic Size: 52x24.5mm/2.05x0.96inch Focal length: 15mm interfaces size: 0.965 inches (about 24.5mm) Lens Component: metal-aluminum Lens Component: optically glass Color: black Package Includes: 1pcs Telescope Eyepiece note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.