2. Full-broadband coating process, high light transmittance, imaging, beautiful color, suitable for watching the beautiful scenery in the di 1. Exit pupil di: 2 (mm), exit pupil diameter: 2 (mm), field of view: 1000, resolution: 127, magnification: 10X, effective diameter: 2mm, 4. The sun filter helps the user not to hurt his eyes during observation, 3. The precise focusing wheel is convenient for the user to adjust the di to a more suitable di to observe things, Particularly suitable for outdoor activities such as mountaineering, hiking, driving, wildlife viewing and scenic appreciation.