DIY Cardboard Classical TV Set Style 2X Screen Fresnel Lens Magnifier Expander Enlarge Magnifying Glass for Smart Phone Watching

DIY Cardboard Classical TV Set Style 2X Screen Fresnel Lens Magnifier Expander Enlarge Magnifying Glass for Smart Phone Watching

DIY Cardboard Classical TV Set Style 2X Screen Fresnel Lens Magnifier Expander Enlarge Magnifying Glass for Smart Phone Watching

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  • Last PriceUS $15.90piece
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  • Product Rating4.6(2)





DIY Cardboard Classical TV Set Style 2X Screen Fresnel Lens Magnifier Expander Enlarge Magnifying Glass for Smart Phone Watching Dear buyer, there may be some scratces on the plastic lens, please don\'t make order if you mind that. Magnification:2X Lens Material: Fresnel lens Feature: Large lens,easy to carry Application: Mobile phone screen enlarge The other item is not included,only the magnifier,please. *****Attention***** 1. You may feel dizzy when you use the magnifier.That\'s because it is fresnel lens.Please don\'t keep watching all the time,you need take rest every 30 minutes.
What is fresnel? Close-up view of a flat Fresnel lens shows concentric circles on the surface(From wikipedia) 2.Please adjust the distance from mobile phone frame to the lens and angle, adjust focal length, lens angle, in order to achieve the best view and optimal amplification effect and the best definition. 3.Please avoid using in direct sunlight or strong light, avoid light cause is not clear, it will display better in the dark light environment. 4.The best watch angle is vertical to the lens, a distance of 0.5 meters it the best watch distance.Because the lens is larger, the mirror slightly reflective phenomenon, please adjust the brightness of the light and the angle of the light. 5.When you use it as a normal reading magnifier, it is suitable for the elder.