How can the contrast of the shell x3 be 1000 to 1?

The style is older. The contrast ratio of Beibei x3 camera is only 1000 to 1, which is because its style is relatively old. Danube x3 is a photographic product of Danube Technology. Danube Company was established in August 20 13, and it is one of the well-known intelligent large-screen value-added service providers in China. It is a big-screen Internet platform company with big-screen business as its core and spanning the whole ecology of software, hardware and operating system.