The OptiVisor® Professional Magnifier is a top-tier, precision binocular headband magnifier, renowned for its unrestricted efficiency, three-dimensional vision capabilities, and comfort. It's the preferred choice for professionals across various industries, including jewelers, hobbyists, dentists, and more. Design and Comfort: Adjustable Headband: Conforms to fit all head sizes, ensuring comfort for prolonged use. Tiltable Visor: Allows the visor to be easily moved out of the way when not in use. Lightweight and Durable: Made from impact-resistant materials for durability without the added weight. Genuine Leather Comfort Band: Padded with orthopedic felt for added comfort. Product Size: Measures 9.5" x 7.8" x 1.9" inches (242 x 200 x 49mm). Optical Features: Interchangeable Lenses: Offers a variety of lenses with different powers/focal lengths for versatility (1.5x @ 20" (DA-2), 1.75x @ 14" (DA-3), 2x @ 10" (DA-4), 2.5x @ 8" (DA-5), 2.75x @ 6" (DA-7), 3.5x @ 4" (DA-10)). Optical Glass Prismatic Lenses: Ground and polished to precision optical standards, bevel edged and mounted in an interchangeable plastic frame. Functionality and Versatility: Compatibility: Can be worn over prescription or safety glasses. Hands-Free Use: Designed to leave both hands free, enhancing focus and efficiency. Multiple Attachments Available: Including LED light attachment (29.495 & 29.498), OptiLoupe loupe attachment (29.480), Happy Headband (29.503), and more. Applications: Suitable for a wide range of professional and hobbyist activities including jewelry making, seamstressing, artistry, drafting, architecture, and even reading. Warranty and Quality: Made in the USA, ensuring high-quality craftsmanship. The OptiVisor® Professional Magnifier is an essential tool for anyone requiring precision and ease in their work, offering exceptional optical quality, comfort, and versatility.