Features: Simple Operation: Single eyepiece one hand can focus adjustment, watching distant scenery, very convenient. It comes with a waterproof cleaning cloth and storage bag for easy carrying. Multilayer Lens: The structure of multilayer lens can reduce the aberration of the lens edge, so that its vision can meet the needs of customers. The construction of multi-layer lens corrects the image and solves the problem of horizon distortion. Adjustable Viewing Range: The rising eye mask can adjust the distance from the eyepiece to the eye for a better viewing field. Adjust the distance range is large, avoid watching when the dark shadow occlusion and fit the eye very comfortable. Customer Service: If you confront any problems about our products, please feel free to contact us, we are ready to help. We will solve your problems as soon as possible. Specification: Material: ABS, glass Model: 12x50 Magnification: 12X Objective Diameter: 50mm Eyepiece Diameter: 22mm Prism System: Roof Focusing: Objective + eyepiece Waterproof: Life waterproof Notice: 1. Due to different monitors and lighting effects, the actual color may be slightly different from the image. 2. Due to manual measurement, please allow 1-3cm deviation. Simple Operation: Single eyepiece one hand can focus adjustment, watching distant scenery, very convenient. It comes with a waterproof cleaning cloth and storage bag for easy carrying. Multilayer Lens: The structure of multilayer lens can reduce the aberration of the lens edge, so that its vision can meet the needs of customers. The construction of multi-layer lens corrects the image and solves the problem of horizon distortion. Adjustable Viewing Range: The rising eye mask can adjust the distance from the eyepiece to the eye for a better viewing field. Adjust the distance range is large, avoid watching when the dark shadow occlusion and fit the eye very comfortable. Customer Service: If you confront any problems about our products, please feel free to contact us, we are ready to help. We will solve your problems as soon as possible.