[Continuous Zoom & Low Light Night Vision] Kartokner 10X-300X monocular continuous magnification, bringing you high-contrast and high-resolution images. Our monocular telescope have low-light night vision function, allowing you to easily hunt and capture night scenes at night. Zoom: 10-300Objektivdurchmesser: 30 mmOkulardurchmesser: 15 mmSichtfeld: 45.5-80.5M/1000MAustrittspupille Durchmesser: 1,2-1,7 mmAustrittspupillenabstand: 17-14 mm [High-Contrast & Resolution Images] HD monoculars are equipped with BAK-4 prism and FMC multi-layer broadband green film lens, providing excellent light transmittance and brightness. The coating design is upgraded to effectively improve the clarity and color. 15mm large eyepiece with high brightness, making viewing more comfortable. [High Quality & Waterp Roof and Fog proof] The monocular for adults are made of ABS plastic steel, adopts an O-ring sealed with dry nitrogen to prevent moisture, dust and debris from entering the night vision scopes. The focusing wheel of monoculars is protected by high-quality rubber, which is comfortable and durable. [Easy to Use & Easy to Carry] When using the handheld telescope, adjust the sharpness first, adjust the eyecup and the roller to focus, until you see a clear and bright image. The thermal monocular easy to carry, designed for any outdoor sports enthusiasts, monocular telescope for smartphone suitable for hunting, bird watching, concerts, sports events, etc.