Lightcraft Professional LED Headband Magnifier With Bi-Plate Magnification & Loupe

Lightcraft Professional LED Headband Magnifier With Bi-Plate Magnification & Loupe FEATURES: 5 lenses with bi-plate magnification and fixed front lens 15 levels of magnification between 1.0x and 13.0x Focal lengths from 35 – 350mm (1.5- 14”) Comfortable cushioned headband with lightweight visor Adjustable & removable LED spotlight with two brightness levels Built-in rechargeable battery   SPECIFICATIONS: Magnification Working Distance mm/inch 1.0x 300-350mm (12- 14") 1.5x 240-260mm (9.5- 10") 2.0x 215-235mm (8.5- 9") 2.5x 205-225mm (8- 9") 3.0x 160-180mm (6- 7") 3.5x 135-145mm (5- 6") 4.0x 125-135mm (5- 5.5") 4.5x 110-130mm (4- 5") 5.0x 100-120mm (4- 4.5") 5.5x 80-95mm (3- 4") 6.0x 60-85mm (2.5- 3.5") 8.0x 55-70mm (2- 3") 9.0x 50-65mm (2- 2.5") 9.5x 45-60mm (2- 2.5") 10.0x - 13.0x 35-55mm (1.5- 2")