- Eyepiece Lens: Featuring a 16mm eyepiece lens, this product offers a comfortable viewing experience, allowing for prolonged use without strain. - Lens Diameter: With a 25mm lens diameter, it ensures a wide field of view, making it ideal for various applications, from birdwatching to stargazing. - Operating Temperature: Designed for versatility, this product operates efficiently in a temperature range of -10℃ to 40℃, making it suitable for both outdoor adventures and indoor use. - Power Supply: The device requires 2 x AAA batteries (not included), providing a lightweight and easily replaceable power solution for extended use. Use Scenarios: 1. Nature Observation: Perfect for birdwatchers or wildlife enthusiasts, the lens captures detailed visuals, enhancing the outdoor experience. 2. Astronomy: Ideal for stargazers, this eyepiece lens allows for clear views of celestial bodies, making it a great companion for telescope use. 3. Educational Purposes: Excellent for students and educators in science classes, it supports hands-on learning about optics and observation. This product combines functionality with convenience, making it a reliable choice for anyone in need of quality optics.