Characteristics: - The lenses use SCHOTT glass with anti-fog and anti-mold coating technology. 48° Downward angle: - Maintains an upright posture of the back and neck. - Reduce shoulder and neck strain. - Prevent dentist from leaning forward. - Extends professional careers. Independent adjustment of left and right interpupillary distance: - Freely adjustable. - Easy image alignment. - Reduce eye fatigue. Easy flip-up: - For unobstructed view. - Improve doctor-patient communication. - Soft silicone nose. - Pads for comfort. Specifications: - Magnifications: 4.5x. - Working distance: 360 - 460 mm. - Depth of field: 100 mm. - Field of view: 50 - 80 mm.