These high-quality binoculars are perfect for most every-day applications. With optimal 12x magnification they are suited to most applications. With a 'Milspec' temperature withstanding range from -40 to +50 deg (Centigrade) and exceptional glass quality, you'll have these binoculars for a lifetime. The BPC 3 Field Binoculars Series has a traditional WWII rugged, watertight, shock-resistant porro-prism design which is identical to German-made binoculars by Zeiss Jena. These binoculars feature central focusing with a wide oversized focusing wheel for easy control, high quality eyepieces, a right eye dioptric compensation adjustment and have fully coated optics for maximum protection. Special Ruby coating increases observation comfort. They also have a new generation, anti-glare coating on the front objectives. Other features include marking on dials, registered serial numbers, a neck strap with eyepieces cover and a soft leather case with a thick protection liner. These binoculars will never fail. With a rugged coating of protective rubber armor, they are especially suitable for rough use, wetlands, shooting ranges, for use in sporting events and for travelers of every stripe. These binoculars are officially designated by the factory as 'Limited Issue'.