6" Commanders Brass Binoculars with Leather Case Neck Strap These beautiful 6" Commander's Brass Binoculars with Leather Case are solid brass and make you feel like a true navigator when used. These binoculars have in-line prisms for improved field of view and have precision ground glass 1.75 inch (44 mm) diameter objective lenses. Focusing is accomplished using a knurled focusing knob on top of the binoculars. The binoculars have a leather strap and come with a handmade leather case. Solid brass nautical binoculars Functional and decorative nautical decor 20x magnification Easy focusing with knurled knob Leather strap and handmade leather case included for safe keeping Focusing is accomplished using a knurled focusing knob on top of the binoculars. The binoculars have a leather strap and come with a handmade leather case.