Material: ABS soft plasticLens: optical lensLens diameter: 65mm 20mm 12mmMagnification: 2.5x 25x 55x Use battery: button battery?Uses?: field inspection, home use, for the electronics industry, the operation of the inspection, processing, installation and repair. Beauty industry facial skin, pore observation, manicure, ear and so on. Sculpture and appreciation of works of art. Cameras, watches and other inspection and repair. Usually people use to read, especially for the elderly, students in the dark under the light of reading. Dentists, tailors, embroidery and so on. Financial, taxation, philatelic, jewelry, printing, agriculture and other product features. Identification of jade, coins, jewelry jade, porcelain, bronze, stamps, antiques and so on. carry. Magnified observation of the internal characteristics of gemstones (inclusions) and external features (such as emerald B goods of the erosion of the textured); antique calligraphy identification good helper.?Usage?: the right hand holding a magnifying glass, making the lens parallel to the line of sight, left hand holding the need to watch the object facing the light slowly close to the lens, when the object is identified when moving to find the appropriate observation position, the effect is very obvious.
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