Specification: *Pattern: Left / Right Double Eye Magnifier *Lens Magnification: 10x 15x 20x 25x *Lens size:16mm *Product Material: ABS *Product Weight: 6.7 ounces *Product size:200*160*60mm. *Handle Material: Plastic Magnified up to 25X Original Size, Great Help in Small World Different magnifications have different focal lengths. The higher the amplification is, the closer the observing object should be. 10X - about 5cm/2in 15X - about 2-3cm/0.8-1.2in 20X - about 1-2cm/0.4-0.8in 25X - about 0.5-1cm/0.2-0.4in It is advisable to choose lens barrels of appropriate magnification according to the size of the object to be observed. ▲Note: The short focal distance from lens to product is 0.2-2in (0.5-5cm), just like the principle of microscope. Please kindly check it before buying Bright LED Lights Will Help Illuminate While You Magnify. 2 LED lights provide an evenly lit viewing area. It can be used under insufficient light. Powered by 3 X AAA batteries (not included). Angle of light can be adjusted upward and downward for 50° to ensure more accurate lighting. Whatever direction you look, your light and magnification move with you. Two LED switches are installed on the forehead for more accurate and convenient operation.
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