These binoculars are multi-functional wizard! In one compact and lightweight binocular you have the power to observe with 8 to 16x magnification by simply turning the central wheel. Add to this the aspherical lens elements for edge-to-edge sharpness, BaK4 prisms and multi-coated lenses to enhance brightness & contrast, and voilà, you have the perfect travel companion who won’t let you miss a thing!