Used for bee hunting, navigation, electricity, forestry, etc., subverting the horizon ranging compass, military-grade standard telescope. Compass reticle to identify direction, built-in reticle coordinates, not only can be seen from a distance, but also can measure the approximate distance of the target. The auxiliary light source can also be used normally at night (the battery uses LR43 button batteries, the precise binocular focusing method used in this telescope is easier to operate, just need to adjust clearly one by one, and the binocular focusing is also more accurate. 3 Second correction, when observing a moving object, it will automatically focus, no need to refocus Especially in dim light environments such as night and dusk, it shows its huge advantages. The feature of no need to adjust makes it still in cold environments You can use it comfortably even if you are wearing gloves or in rainy days. The waterproof structure is IPX7 and can float in water. The nitrogen filling system can make the shockproof performance reach 900GS. The naval-style inner-closed waterproof structure can effectively extend the service life in various harsh environments. The model has a special sealing technology, and the internal interface is fully bonded with polymer glue to strengthen the sealing to ensure that the nitrogen gas filled inside is not atomized or leaked, so that water, moisture or dirt cannot enter the telescope. BAK4 prism, prism In the light structure of the telephoto, it plays an important role in enriching the optics, changing the quality of the image, and the comfort of viewing. The design of the large eyepiece makes your field of vision wider. product information Magnification: 7X Exit pupil diameter: exit pupil distance Focusing method: close focus distance Exit pupil diameter: 50mm Exit pupil distance: 22mm Focusing method: binocular focusing Close focus distance: 8.6m Exit pupil diameter: 6.8mm Field of view: 132m/1000m Prism system: Porro Eyepiece coating: broadband green film Prism material: BAK4 Eyepiece size: 22mm Product size: 21*6.5*15.5cm