Like the Zeiss C/Y mount, G mount lens, is Japan's Kyocera production, Zeiss ZM, ZF, ZK, ZE mount lens are all Japan's Zenith production to play the Zeiss LOGO, and the Zeiss ZA Sony mount lens, is Sony's own production to play the Zeiss LOGO, as for those cell phone lenses and whatnot, are all such an operation. General photography enthusiasts are affectionately called such Zeiss lens for "pseudo-Cai", that is, only the design patents, coating materials are provided by Zeiss, the other glass, lens metal materials, processing, assembly, commissioning are Japanese goods Zeiss lens.
And Zeiss glasses, then, there is German production, there is Japanese production, there is also Chinese production, general domestic buy glasses to buy Zeiss lenses, are produced in China.
The origin of Zeiss binoculars is only Germany.
As for Zeiss in astronomy, medical, industrial, scientific research optical equipment, some German, some Japanese, no Chinese production.