High-Powered Large Eyepiece Binoculars 20x magnification & 50mm objective lenses, These binoculars are optimised with selected glass elements to deliver exceptional resolution, reduced chromatic aberration and outstanding colour fidelity, edge-to-edge sharpness and light transmission.Perfect Eyepiece Size - 27MM eyepiece size is perfectly designed for the eye structure of America, which provides a broader and clearer vision for birdwatching and other nature explorations. Large eyepiece ensures the stability of human imagination, preventing dizziness and eye fatigue after a long time watching. It's the ideal gift for Father's day, Christmas, and birthdays.Right eyepiece refractive adjustmentRotate the diopter ring to adjust the clarity of the right eyepiece individually, making it easy for users with poor vision to adjust it individually. The right eyepiece can be adjusted individually for users with poor vision.Versatile to Use-These binoculars are designed for birding watching, hiking, hunting, climbing, trip, football basketball, or any Sports competition, concert. And it is also an ideal Christmas gift for adults, kids, children. Tip:These binoculars have low-light night vision and can be used at night, but not in complete darkness.