1.Effortless Focus With A Hand: Theater Binoculars are ergonomically designed to allow you to quickly focus on your target and hold comfortably for long periods of time. 2.Sturdy Material: Stage Binoculars are constructed of sturdy metal material that is and gives you versatility in all weather conditions. It has a long life. 3.Strong Clarity: Retro Binoculars have a center focus wheel, manually adjust the clarity, can present clear and detailed images, with 3 times magnification, suitable for indoor viewing, especially for theaters and racetracks. 4.Vintage Decoration: Theater Glasses Binoculars Penetrating Effect, Lens Made of BK7 Optical Glass. It exudes this last-century aesthetic and makes you nostalgic for the old days.