SL series Binocular Loupes is designed for all possible medical needs. Features: 1. Multi-coated, high grade glass lenses produce crisp, clear image. 2. The Loupes which employ eyepiece of very large view field diameter. The depth of focus is deep and object can be seen stereoscopically with actual distance feeling. 3. The angle of the loupes can be adjusted between 0¡ã~40¡ãwith ease and fatigue is minimized even after prolonged use. 4. 6mm up and down displacement. Pupil distance can be adjusted individually which could be suited for all kind of faces. 5. Adapts to any Headband and Headlight of Zumax. 6. Smart design, convenient for mobile diagnosis. Specifications: 1. Vertical distance: 6mm 2. Adjustable viewing angle: 0¡ã~40¡ã 3. Adjustable pupil distance: 45mm/1.6¡¯¡¯~80mm/3.1¡¯¡¯ 4. Magnification: 2.5X,3.0X,3.5X 5. Working Distance:340/420/460/500mm