Headbandmounted surgical loupe, size 3.5X, designed for precise observation in clinical and technical work. Combines Galilean optics, multicoated glass lenses, and a lightweight adjustable headband for extended use with minimal fatigue. Key benefits Clear, wide view: Galilean optics and a internal multiangle lens design deliver a wide field of view (90 to 100 mm) and resolution for accurate visual inspection. Long working range and deep focus: Depth of field up to 100 mm and working distance options of 350 to 380 mm or 380 to 420 mm provide comfortable posture and fewer position adjustments. Comfortable allday use: Ergonomic headband with multiple adjustment points, removable leather forehead pad, softtouch safety frame, and a total weight of about 260 g (0.55 lb) reduce pressure and improve balance. Easy setup and adjustment: Flipup grip, onestep pupillary adjustment, and adjustable viewing angle let users position the loupe quickly and maintain eye alignment. Features Flexible headband for a secure, fit Flip grip for convenient on and off without removing the headband Ultra lightweight construction for reduced neck strain Softtouch safety frame for comfort and protection Wide field of view and long depth of field for better situational awareness Adjustable viewing angle and headwearing angle adjustment Specifications Size: 3.5X (magnification options 2.5X and 3.5X) Magnification: 2.5 to 3.5x Working distance: 350 to 380 mm or 380 to 420 mm Depth of field: 100 mm Field of view: 90 to 100 mm Weight: approximately 260 g (0.55 lb) Adjustment: headband angle and pupil spacing adjustable What is included 1 headband 1 loupe (2.5X or 3.5X as specified) 1 user manual Typical use scenarios Dental students and dental hygienists performing restorative work or detailed examinations where hands magnification and wide field of view are needed. Precision manufacturing and electronics assembly for inspecting small components, solder joints, and fine details. Laboratory research, textile inspection, and engineering tasks that require consistent magnification, extended focus range, and quick repositioning. This loupe is intended for professionals and technicians who need reliable optical magnification, comfortable longterm wear, and easy adjustability for detailed visual tasks.