The lens has undergone a series of improvements from the shape to the inside. In the shape of the more cool fashion,the lens has improved the of vignette deformation and other issues,so that the camera is closer to the SLR level. The lens clip has changed significantly from shape to material. The previous diamond clips were made of plastic,which has a large shape,a position,and a bad look. The lens clips are made of aluminum and have a small size,no position,and are more suitable for fashion standards. Suitable for 90% of smartphones,easy to carry and easy to use. Note on lens use: 1. Pay special attention to dust and dust.Do not Press the fingers or other objects on the glass lens.Dust or foreign objects stick to the lens or the inside will affect the effect.Remember to cover the protective cover after use.Loading into the storage bag 2. It is as natural as water products,and it is difficult to form fog after entering the water,making the camera blurry and unusable; 3. To prevent falling,the built-in lenses are made of high-transparent material,which may break when dropped onto a hard object. Structure:6 Elements 5Groups Magnification:5X Deformation:-4% Closest focusing distance:50-100mm AR coating:Multilayer Model:PH-8166 mirror emperor Colour:Black Material:Plastic Size:Maximum diameter:55mm; Length:38.3mm Package Contents: 1 * External 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.