※ There is rust on the part where the strap is attached. These are lightweight and compact 8x waterproof binoculars with a built-in mil-scale and a camouflage design. They feature a robust rubber body and a wide, easy-to-view field of view. The built-in mil-scale allows you to determine the distance to an object if you know its size, or the size of an object if you know the distance. Mil scales were originally used as the horizontal standard angle for military rocket launchers. One mil is 1/6400th of 360°. One mil is the angle at which the opening at a target point 1000 meters away is 1 meter. They are water-resistant, so you can use them safely even on rainy days. [Magnification] 8x [Objective Lens Diameter] 25mm [Reticle] 50/50 [Real Field of View] 8.2° [Exit Pupil] 3.1mm [Brightness] 9.8 [Field of View at 1000m] 143m [Size] 73 x 105 x 68mm [Weight] 369g