zeiss makes a lot of cool stuff, from planetariums to operating microscopes and research optical instruments, and ... stuff.

they left the camera building behind long ago to concentrate on the things they were uniquely good at.

( zeiss has ALWAYS licensed the manufacture of their designs, to their specs, and often using their machines, glass, and QC personnel )

CZ has done a very good job over the years keeping their 'production capacity' to a minimum while make excellent goods, and being a healthy firm for it's employees.