Ideal for beginners in nature and birdwatching who are looking for a brand binocular with comprehensive features. Waterproof, nitrogen-filled, silver-coated prisms, shortened close focus, wide field of view, all in a compact yet robust and ergonomic design. BaK-4 prisms with multi-coating provide sharp and true-to-nature images. The additional silver coating allows for a 4% higher reflection, resulting in better light transmission. Additionally, harmful UV radiation is significantly less reflected. For everyday usability, the Arena D+ is waterproof and filled with nitrogen to prevent internal fogging of the lenses. Perfect for travel, leisure, nature, and sports. The included carrying case and comfort strap ensure pleasant transport of this lightweight, even on longer explorations. Eyeglass wearers will appreciate the twist-up eyecups. The Arena D+ series is a quality product from Eschenbach and comes with a 5-year warranty.