Unique high light transmittance FMC multilayer coating, high average light transmittance, clear and sharp color. At the same time, the loss of fiber reflection is reduced so that the eyes can receive more light.Nitrogen-filled waterproof for outdoor observation, can also be used under extreme conditions.Wide-angle large field of view makes the field of vision more open, the image is brighter and clearer, almost no distortion and color difference.The appearance is simple and beautiful, the environment is decorated with leather, the metal texture is comfortable and convenient to watch.Light weight and compact, easy to carry, does not take up space.Specifications:Item name: 6X21 Monocular TelescopeColor: Black+GoldMaterial: ABS+Optical glassSize:102*35mmPrism lens:Objective coating:FMCMagnification: 8XObjective lens diameter: 21mmEyepiece diameter: 18mmField of view: Field 11Prism Type: RoofField of view: 131m/1000mEye mask adjustment: spin-up eye maskFocusing method: Single-handed selection focusingWaterproof grade: Life waterproof Note:-There might be little error of size for manual measurement.-The colors deviation might differ due to different monitor settings, please kindly understand.