BX-4 Pro Guide HD 10x42mm Binoculars Roof Shadow Gray Finish by Leupold The BX-4 Pro Guide HD's are built around the Leupold Twilight Max Light Management System. The specialized lens coatings allow for longer glassing during the early predawn hours to well past dusk. The slim-hinge design and sturdy aluminum body is both comfortable to hold and lightweight enough for easy carrying. The redesigned body armor has a texture that provides a sure grip in any conditions and with or without gloves. Completely waterproof and backed by the Leupold Full Lifetime Guarantee and the BX-4 Pro Guide HD's are a welcome addition for anyone who wants to see more outdoors. Includes: GO Afield shoulder strap GO Afield case Lens cover Features and Specifications: Color: Shadow Gray Waterproof and Fogproof Length: 5.6 Inches Weight: 24 Ounces Magnification: 10 Fixed Power Lens Coating: Fully Multi-Coated Warranty: Leupold Full Lifetime Guarantee Lens Cover Included Objective Lens Diameter: 42mm Eye Relief: 0.63 Inches Prism Type: Roof Minimum Focus Distance: 7.5 ft Case Included Interpupillary Distance: 58-74 Millimeter