Which company has better optics, Leica or Zeiss?

Zeiss has better optics.

Zeiss, a German brand of optical instruments and lenses. Carl Zeiss AG is a German company that manufactures optical and optoelectronic equipment, headquartered in Oberkochen (Baden-Württemberg).

The company takes its name from one of its founders -- Mr. Carl Zeiss (1816-1888). It was founded in 1846 in Jena by Carl Zeiss, Ernst Karl Abbe and Otto Schott.

ZEISS is a global technology pioneer in the field of optics and optoelectronics. In the 2019/20 fiscal year, the ZEISS Group has full-year revenues of more than €6.2 billion across four business units (data as of September 30, 2020): industrial quality and research, medical technology, optical consumer markets, and semiconductor manufacturing technology.

The company's significant and sustainable investment in research and development has laid the foundation for ZEISS' success and the continued expansion of its technology and market position. The company is leveraging new interdisciplinary businesses, laying the foundation for development of innovations that shape markets and accelerating the company's digital transformation.

ZEISS Ventures looks for new business models and develops them. Internal startups are formed to bring technologies to the market, while external startups are invested in and joint ventures are created - the potential for market-shaping innovations is key.