- Upgrade your stargazing experience with our 1.1.25" Diameter (31.7mm) eyepiece, designed specifically for astronomical telescopes. - Available in three focal lengths: 4mm, 10mm, and 23mm, allowing you to observe celestial objects at varying distances and sizes effortlessly. - The soft eyecup ensures comfort by providing a gentle touchpoint for your eye, enhancing your viewing experience during extended use. - The aspheric design improves imaging quality, effectively balancing and correcting chromatic aberration for sharper, clearer visuals. - Crafted from high-grade optical glass, this eyepiece delivers outstanding clarity and contrast, making it ideal for both novice and experienced astronomers. Use Scenarios: 1. Perfect for deep-sky observation, the 23mm focal length allows you to view nebulae and star clusters with impressive detail. 2. The 10mm focal length is excellent for planetary observation, providing a close-up look at the rings of Saturn or the moons of Jupiter. 3. Use the 4mm focal length for high magnification, ideal for detailed studies of lunar craters or the surface of Mars. Compatible with a wide range of astronomical telescopes, this eyepiece is a must-have addition for anyone looking to enhance their astronomical observations.