Headband Magnifier Rechargeable Magnifier Dental Binocular Loupes The lens suitable for ENT, dentistry, ophthalmology, general and microcosmic surgery, also used for observation and detection in the industrial field. Product parameters:Product name: 2.5 3.5 magnifying glass with glassesHeadband material: ABS material PV leatherLens material: HD optical glassWorking distance: 2.5 (320-420mm) 3.5 (320-420mm)Depth of field: 2.5 (90mm) 3.5 (80mm)Field of view: 2.5 (100mm) 3.5 (60mm)Modes of use: dentistry, plastic surgery, ophthalmology, neurology, otorhinolaryngology and many other usesFeatures: Large field of vision. Great depth of field. High resolution. Reduced magnification. Quick positioning. comfortable to wearBasic functions: bidirectional interpupillary distance adjustment, manual focusInterpupillary distance adjustment: mobile interpupillary distance adjustmentVariable function: the wearing style can be changed. Can be used on flip-up glasses.Light source: high brightness LED light source. Bright and dark adjustableLight source duration: 24 hours in dark light, 5 hours in bright lightComplete set: includes magnifying glass, light source, charger cleaning cloth, screwdriver. (send conversion clip)Function Description: High-end optical design of the magnifying glass barrel. The lens is coated with a multi-layer anti-reflective coating. The sophisticated assembly process is integrated.Customer service: Quality guarantee. Buy with confidence and feel free to contact us if you have any questions. Suitable and Application: Generally used with dental LED headlamps. It can be used in the dental field of staff, dental clinic and hospital. It is a good choice for dental students and dental hygienists. Comfortable Wearing: Equipped with a flexible headband, easy to put on and won't occupy your hands, convenient and hands-free. Comfortable and modern ergonomic design, it can fit anyone's face and stop flying. Lens: Ultra wide field of vision, high definition. High-end optical design, multi-layer anti-reflection film on the lens, and advanced manufacturing technology can adjust the angle of the lens up and down. Convenient working distance of 320-420mm. Surgical Binocular Loupes: Provide a wide field of view and deep depth to reduce the dentist's eye, neck and shoulder fatigue caused by longbow operation. Using the rechargeable lithium battery, light weight, longevity and more convenient carrying, it is suitable for all kinds of surgery.