No, we are not talking about Zeiss-branded lens coating, this latest leak is referring to the whole camera bump's finish. According to reputable Chinese tipser Digital Chat Station, the upcoming Xiaomi 12 will take a unique approach with its camera bump design. Alleged Xiaomi 12 camera design In the Weibo post, he says that the camera bump with a bunch of large camera modules inside. However, Xiaomi is likely looking for a way to make it a bit more inconspicuous by applying the same AG glass coating it uses for the back panel. The tipster says that the company uses new coating...
Source: https://www.gsmarena.com/xiaomi_12s_camera_bump_to_have_a_unique_coating-news-52110.php
