Features: Top- Camera Lens is a traveler's dream. Our 2X Tele Lens is the for P ography Fans. The radius and depth of the lens were specially designed and engineered for P ography. Extensive use: Can be used for watching match, concert, travel, animal observes fans, spaper-man shoots remotely, port dispatcher of railway, traffic administrative department to collect evidence, public security institutions to enforce the law and collect evidence etc. Quality Beyond Imagination. The lens isn't just sturdy, it is pleasing to look at as well. CLEAR EDGE-A slightly larger lens diameter fully optimizes the quality from the center of the frame, all the way to the edge. NO DISTORTION- Advanced lens designs minimize geometric distortion to fractions of a percent. MINIMAL CHROMATIC ABERRATION-Minimized via expert glass selection and expert design forms. Work on most types of phone that their camera lenses are not bigger than 13mm diameter. Suitable for most mobile phones, easy and convenient to operate. It can apply to , , , ,Lumia, Smart phone, , Tablet PC and Laptops or anywhere you can imagine. Specifications: EFL: 4.1MM FOV: 23 degree Relative illumination: Magnification Ratio: 2X Lens Coatings: Multi-layer broadband ar Resolution(Center) 500 LP/MM Resolution(0.7 Field) 450 LP/MM TV Distortion: -0.5% Kindly Note: The flash light be blocked when the lens is in use Color: Black Material: Aluminum Optical Glass Package Contents: 1 x phone camera lens Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.