Decent View into Your EyesBeyond Series 10x42 ED Binoculars 10X High Magnification 20mm Eyepiece BAK4 Prism Multi-layer Coating IPX7 Waterproofing+Nitrogen Filling 1/4"-20 Threaded Hole 10X Golden Range8-10x magnification is commonly recognized as the "golden range" for binoculars, balancing image quality and usability. Higher magnification can lead to reduced image clarity. 10X MagnificationWide field of view and high image quality. 20mm Large Eyepiece forBetter Experience Detailed insights Bright image Clear subject 42mm Large Objective LensThe larger the objective lens is, the more the light goes in, perfect for observing bright image. Wide Field of ViewWide FOV is suitable for capturing moving object, ideal for outdoor adventure, birding watching, moon watching, etc. Outstanding Optical PerformanceDesigned with 4 pieces of ED glass and 2 pieces of high refractive index glass. Multi-layer CoatingInner multi-layer coating increases light transmission, achieving overall transmittance rate of up to 88.5%. LensProtectorSolid quality construction with anti-scratch and anti-fouling coating. BAK4 PrismBAK4 is a type of high-density glass. BAK4 prisms are made of a higher quality glass than the lower-cost BK7 prisms that are sometimes used in binoculars. The higher quality glass used in BAK4 prisms results in a brighter and clearer image, especially suitable for viewing in low-light situations. IPX7 Waterproofing Nitrogen FillingHermetically sealed barrels with IPX7 waterproofing and nitrogen filling ensure protection against water and fog, making them reliable in all outdoor conditions. Multiple ScenariosSuper compact, suitable for outdoor viewing. Concert Landscape Bird Watching Wildlife Patrol Astronomical Observation Match What&';s in the Box 1. Box 2. Warranty Card 3. Lens Cloth 4. Binoculars 5. Carrying Bag 6. Strap 7. Eyepiece Cap 8. Objective Lens Cap