National Geographic Expedition Series 10x42 Binoculars

The National Geographic Expedition Series 10x42 Binoculars are built for adventure, offering premium optics and rugged performance in any environment. Featuring fully multi-coated lenses and superior BaK-4 prisms, they produce bright, high-contrast images with excellent color fidelity and clarity. The 42mm aperture delivers outstanding light-gathering power, while the 10x magnification provides crisp detail at mid to long distances—perfect for hiking, birdwatching, or general nature observation. Designed for all-weather use, these binoculars are waterproof and fog-proof, with a streamlined roof prism design and sturdy single bridge for a comfortable, secure grip. Eyeglass wearers will appreciate the generous 16.9mm eye relief and twist-up eyecups for a full, comfortable viewing experience. Additional features include diopter adjustment for fine-tuning focus in each eye, plus included lens covers, a neck strap, and a protective storage case for travel and safekeeping.