Professional HD 8×42 10×42 BAK4 Binoculars Telescope Military Hunting Outdoor Camping Waterproof Night Vision Telescope. · Ultra-wide field of view 331ft / 1000 yds · 42mm large objective lens, high light transmittance, clear and bright image, no color difference, outstanding performance even in glimmer condition · BaK-4 prisms and multi-coated green film optics for superior resolution and image clarity · Durable magnesium chassis is comfortable to hold and rugged enough to stand up to any conditions. · Right eyepiece diopter adjustment knob: there may be differences between the left and right eye vision, can be adjusted using the left eye clarity, then slightly rotate the right eyepiece diopter ring directly to achieve the best results. · Streamline appearance, a strong sense of presence · Waterproof and fogproof – Prevents moisture, dust, and debris from getting inside the binocular. The night vision function can only be used when the surrounding environment is a little bright, and it cannot be seen clearly in a completely dark environment without light. Magnification: 8x or 10x Caliber: 42mm Prism System: Porro Prism Glass: BAK4 Focus System: Center + Right Eyepiece Field Of View: 331 ft /1000 yds View Angle: 5.8 Exit Pupil Diameter : 5.2mm or 4mm Exit Pupil Distance : 18mm(8X) or 13.6mm(10X) Eye Cups : Twist up Coating: FMC Coating Color: Army Green, Black Size:13515.5cm. USCAMEL has been the industry leader in high-performance sports optics for more than 10 years. The company’s guiding principle is to provide the highest quality, most reliable, and most affordable sports optics products and most excellent customer service on the market. USCAMEL product lines enhance the enjoyment of every outdoor pursuit, including nature study, hunting, fishing, birding, and stargazing. Indoors, the company’s monoculars/binoculars bring the audience closer to the action in fast-moving sports or the fine arts at theaters and concerts. 1Military binoculars 1Military carrying bag 1Instruction 1Lanyard 1lens cleaning cloth 1eyepiece cover 1Objective lens cover 1Packing color box. In the case of total darkness, full darkness night vision is required, which can only be achieved by a dedicated full darkness night vision telescope. At present, this telescope is equipped with low-light night vision function, it needs a little light, and it cannot be in full black.