How to test the authenticity of the old frog lens

First, search online for official website who found the lens and open it, then find the service and support options in official website, then open the "anti-counterfeiting inquiry" to enter, and then select the inquiry method after entering. Take "16-bit coded anti-counterfeiting label" as an example, and click to enter.

The old frog shot was set up on 20 13. The design concept of the old frog lens is to expand the photographer's photography scope and increase the fun of photography. The old frog lens was born in pursuit of the dream of photography fun, so it launched a series of dreamer lenses. We integrate ultra-low distortion and high-quality image quality into the thin and compact mirror, and give more creative functions to make creativity come true.