Our eyesight will also grow weak as time goes on, but we are still eager to use our eyes to feel our living environment, explore our world more clearly.And LED lights magnifying glass is the best gift to the aged, 15 x magnification. Popularization of Physical Basics: About biconvex lens: if an object is placed at a distance > 2X focal length, an image distance will be at the 1X to 2X focal length, then will show an inverted, reduced real image. The 45X lens' focal length is very short, so what our eyes see is all call inverted, reduced real image. FeaturesMaterial: Plastic, Glass Independent lighting design, 2 LEDs for the large lens and 1 LED for the small one, ensure better lighting effect. Comfortable ergonomic handle Switch to turn lights on and off Compact and stylish design, portable light weight Great for reading, circuits, jewellery evaluating, and etc. Easy to hold Power: 3 x AAA batteries (not included in the package) Widely Usage and Great Gift choice:- Can be used for PCB board precision testing,diamonds,jewelry,antique identification,skin pore observation, outdoor detail observation,reading,etc.- A perfect gift for electronic engineers,appraiser,doctors, the elderly,students,etc.Lens size: diameter 75mmx22mm/2.9''x0.5'' Handle length: approx. 11cm/4.3'' Color: White+ Black Every one need a magnifier:When you reading books/newspaper...When you objecting plants...When you identify stamps,antique,jewelry,paper money,calligraphy and painting...When you read drugs use instructions...When you see design drawings and code...When you checking the circuits in the dark...We Guaranteed:We promise to offer good quality products to make you satisfied.Please contact our customer service if there's any question. Not satisfied? Please don't worry, 30 DAYS money back is 100% guaranteed.
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