bak 4 prism binoculars 10x50 military grade binoculars
OUTLOOK YJM 10x50 binoculars is a bak 4 prism binoculars. This is the high grade binoculars designed specifically for long time use. The color of this 10x50 binoculars is Khaki, which is a low-key, rustic and military-style color. This color of the high grade binoculars is not easy to attract attention in outdoor environments and has a certain degree of integration with the natural environment. For example, in jungles, deserts or wilderness environments, khaki telescopes are less likely to be found than black or other brightly colored telescopes.

Optical performance
1. Range of magnification: The magnification of this 10x50 binoculars is 10 times, which is the most suitable magnification range for handheld observation after long-term practice.
2. Clear imaging: The optical performance is very high, the lenses used have better optical performance, and the field of view is clearer and brighter than ordinary telescopes.
3. Coating technology: This high grade bak 4 prism binoculars use coating technologies of green film, which can effectively reduce glare and increase light transmittance.
Structural performance
1. Good sealing performance: The lens barrel has a high sealing performance and can be immersed in 1.5 meters of water for half an hour without water ingress.
2. Sturdy and durable: The application environment is harsh, and the manufacturing process is required to be higher than the civilian standard. The outer shell is made of metal to ensure that it will not crack or deform after long-term use.
3. Nitrogen filling to prevent mildew and fog: The high grade binoculars has nitrogen filling to reduce the oxygen content and moisture in the mirror and prevent the lens from growing mold and fog.
Environmental adaptability
1. After rigorous testing: Before leaving the factory, this high grade binoculars must undergo vibration test, high temperature (+55℃) test, low temperature (-45℃) test, rain or water test, airtight test, etc. to ensure that the product performance is within the specified range.
Special functions
1. Distance measurement function: Some military telescopes have distance measurement function, which can measure the target distance through fine division and other methods.

★ Excellent optical performance, imaging clear and bright.
★ Long exit pupil distance, convenient and comfortable to watch.
★ BAK4 prism, sharp and clear vision.
★ American suspension prism design, imaging stable and reliable.
★ All metal structure, strong and durable.




10x50 binoculars bak 4 prism binoculars high grade binoculars