Zeiss saw the difference between tenet and Zeiss.

STT and Zeiss are both sub-brands of German Zeiss company, and Zeiss products are mainly used in medical treatment, biological science, industry and other fields. Our products are mainly used in glasses, ophthalmology, medicine and other related fields.

Zeiss was founded in Jena, Germany. Originally, it was a small company that produced optical equipment. Its founders are carl zeiss and Ernst Abbe. Under the leadership of Ernst Abbe, Zeiss has made many major breakthroughs in optical technology.

Zeiss mainly produces high-end optical instruments and equipment, such as microscopes, telescopes and optical lenses. Stynik mainly produces high-end lenses, frames, sunglasses and accessories. Zeiss's products include ophthalmic diagnostic and surgical equipment, surgical microscopes, laser retinal scanners, etc.

The development of Zeiss company;

At the end of 19, Zeiss began to produce optical instruments industrially, and quickly sold its products to all parts of the world through an extensive sales network. In 1950s and 1960s, Zeiss began to expand into other fields, such as photography and semiconductor manufacturing. /kloc-in the 1990s, Zeiss was split into two companies, Zeiss and Zeiss Optics.

Zeiss focuses on the production of optical instruments, and Zeiss Optics focuses on the production of optical lenses and cameras. Zeiss optics was later renamed Steiner.