High light transmittance, clear and transparent imaging, and character facial expressions can be clearly seen at a distance of 500 meters. You can see the billboard clearly at a distance of 2000 meters. Wide field of view, comfortable vision, large eyepiece, wide field of view. Use reticle to measure target distance. High light transmittance prism, clear panoramic view, no dark edges, real BAK4 HD prism. Low-light night vision, and can be seen clearly at night. Exit pupil distance: 25mm, exit pupil diameter: 7mm, field of view: 114m, 1500m.