The RSPB Harrier X 10×42 binoculars combine cutting-edge optics with a durable, compact design. Featuring ED glass and phase-corrected prisms, they deliver superb resolution and contrast with minimal colour fringing. Super High Reflective dielectric coatings provide a bright, crystal-clear image, while the fully multi-coated BAK-4 prisms ensure clarity to the edge of view. Built for the outdoors, these binoculars are waterproof, nitrogen-filled to prevent fogging, and wrapped in shock-resistant rubber armour for comfort and grip. With a close focus of under 2 metres and a wide field of view, theyre ideal for observing everything from insects to fast-moving birds. Twist-down eyecups with three settings offer custom comfort for spectacle wearers. Backed by a 10-year warranty.