The refractive index of this resin lens 1.56 means ordinary ultrathin (1.6 means medium ultrathin, 1.67 means ultrathin, 1.74 means ultrathin, the thinner the lens, the more expensive it is). Myopia over 200 degrees, a little astigmatism, suitable for doing (1. 56 is suitable for below 500 degrees), it is best to wear aspherical lenses that are resistant to computer radiation and ultraviolet (UV). The above is the performance of the camera.

Ogilvy's brand is often a series under big names. As long as business is reliable, I don't think there is anything to worry about. Because the most important thing is the quality of the production process, just like a dish, no matter how good the material is, it will be worse if it is not done well.

I hope I can help you! You can communicate again if you have any questions. ...