Leica Ultravid Blackline binoculars are easy to use and convenient to carry. Some of their highlights include P40 Phase-Corrected Roof Prisms, HighLux Fully Multi-Coated Optics, HDC and AquaDura Optical Coatings, Fogproof and Submersible to 16.5 Feet, Closed-Bridge/Dual-Hinge Configuration, Lightweight and Durable Aluminum Chassis, Matte-Black Rubber Armor, Low-Profile Center Focusing Wheel, Twist-Up Rubber Eyecups, and so on. They feature a blend of proprietary HighLux system, phase-corrected BAK4 roof prisms, as well as HDC fully multi-coated optics for sharp viewing. They also fit conveniently in the hand making it possible for you to embark on long glassing sessions without getting tired quickly. There are HDC coatings that help in adding abrasion resistance so that the external lens surface will be adequately protected. The lenses are treated with AquaDura coatings, hence, you won’t have issues when cleaning them. You can easily get rid of grime, dirt, sap, fingerprints, as well as oil and you, will not hinder your views. Our Take on the Leica 10x25 Ultravid Blackline Binoculars (Black with Black Leather): The Leica 10x25 Ultravid Blackline Binoculars are compactly designed so that they can fit in your pocket, purse, or pack. They are produced with a dual-hinge system for easy folding of the optical tubes for enhanced compactness. Kids and adolescents with narrow faces can use these binoculars, thanks to the wide interpupillary distance adjustment. With their aluminum alloy chassis, their weight is just nine ounces giving you an edge during long glassing sessions. That is why they are your best bet when going to the stadium or sightseeing all over the world. With a powerful magnification of 10x, you can be sure of perfect observation of far subjects. Their objective lens diameter is 25 millimeters meaning that they are compact enough for convenient use