100x90 Optical Monocular Hunting Hiking Telescope NEW Product description: The fully coated optics, meanwhile, ensure superior light transmission and brightness, helping you see just about any target, whether you're searching for birds or trying to get a better view of the stage. CLEAR VIEW:See things 16x closer and Get Clearer and Brighter with 42mm Objective lens and 18.55mm eye lens. The larger the objective lens, the more light that enters the binocular, and the brighter the image. PRISM MATERIAL, BAK4, clear image without black bars,it makes Super Clear and Sharp Images. WATERPROOF, the mirror is full of the high-purity nitrogen, waterproof and antifogging. You can use it in raining day and humid environment, and have no need to worry about this item. Product features: Specification: Single hand operation. Powerful, ultra-compact and ultra-lightweight. Suitable for enjoy beautiful nature, view birds, watch sports, general purpose. Focus mode: Singal focus Focus system: Center Prism system: Roof Magnification: 12x Field of View: 66M/ 8000M Eye Lens Diameter: 18.55mm Objective lens diameter: 42mm Color: Black Size:150mm*65mm Package Includes: 1 x Monocular 1 x Belt bag 1 x Lens Cloth 1 x Lanyard 1 x User Manual Note:It is a kind of low-light level night vision telescope which means it can be used for night vision with some light , but can not be used for totally pitch-black night vision.