Enhance your astronomical observations with our versatile 7-21mm 1.25 Inch Zoom Eyepiece, designed to provide exceptional clarity and comfort for those passionate about exploring the night sky. This eyepiece seamlessly combines advanced optics with user-friendly features, making it a must-have for any telescope enthusiast. Zoom Eyepiece for Telescope: This 7-21mm zoom eyepiece is equivalent to multiple eyepieces, allowing you to achieve higher magnification with a short focal length. Enjoy a superior observation experience with high contrast imaging, all in one convenient package. Versatile Use: Perfect for viewing the moon, planets, nebulae, star clusters, and other celestial wonders. This eyepiece offers high dispersion and a wide field of view, making astronomical observations both comfortable and immersive. Comfortable Viewing: With an eye relief range of 15mm and a wide angle field of view ranging from 40 degrees to 57 degrees, this eyepiece ensures a relaxing and comfortable viewing experience for everyone, including those who wear glasses. Sturdy and Lightweight Construction: Made from matte black aluminum alloy, the housing is both rugged and lightweight. It is resistant to moisture and rust, ensuring stable performance even in outdoor conditions, providing you with durability and reliability. Fully Multi Coated Optics: Our fully multi-coated eyepiece reduces glare and eliminates reflections, increasing light transmission and enhancing image contrast. The 5-element, 3-group premium optical design ensures superior optical performance, allowing you to see the universe in greater detail. Unlock the full potential of your telescope with our 7-21mm 1.25 Inch Zoom Eyepiece. Whether you're a seasoned astronomer or a curious beginner, this eyepiece delivers the flexibility and quality needed for an extraordinary stargazing experience.