Nikon L1-8D Reading Magnifier 2x Round type Built-in LED illumination\n\nNikon L1-8D Reading Magnifier 2x Round type Built-in LED illumination\n\n++ Product Features ++\n\nFeatures\n\n--Built-in LED illumination provides natural light across a broad area\n\n--Lighting unit easily switched on/off. Lighting angle can also be adjusted.\n\n--High-precision aspherical lens reduces image distortion all the way to the lens periphery\n\n--Hard coating on the lens surfaces to prevent scratching\n\n--Rubber material on the handle for a comfortable, secure grip\n\n--Can be held in either the left or right hand\n\n--Available in two types: 4D and 8D\nSpecifications\nEffective size/diameter of lens (mm): 80\n\nRefractive power (diopters): 8\n\nReference magnification (x): 2\n\nLens material: Acrylic (PMMA) lens\n\nLens form: Equiconvex aspherical lens\n\nSurface coating: Hard coating\n\nDimensions(LxWxD) (mm): 230x91x17\n\nWeight (g) (without battery): 114\n\nLight source: White LED x1\n\nPower: t