These versatile National Geographic 10x42 binoculars are an ideal companion for all of your outdoor adventures. Whether you are hiking, birdwatching, camping or traveling, a solid pair of binoculars can be a handy tool. The 42mm aperture brings in lots of light and combines with the fully coated optics to produce images with excellent contrast and clarity and the 10x magnification delivers crisp details. Additional features include twist-up eyecups for comfortable viewing, lens covers for protection, a sleek roof prism design that is easy to grip and a tripod thread.