1. Brand history: Zeiss is a German optical company founded in 1846 and is one of the most famous optical manufacturers in the world. Carl Zeiss is a sub-brand of Zeiss, formerly known as Carl Zeiss, the founder of Zeiss, established in 2005.
2. Product quality: Zeiss has a deep accumulation of technology and rich experience in the field of optics, its lenses in color reproduction, contrast, sharpness and other aspects of the excellent performance, known as "the representative of German optics". Carl Zeiss lens quality is also very good, the price is relatively cheaper than the Zeiss lens, its lens in the color reproduction, contrast, sharpness, etc. also has a good performance.
3. Product range: Zeiss has a very large range of lenses, mainly including Distagon, Planar, Sonnar, Biogon and other series. Carl Zeiss lens series is relatively small mainly including Milvus, Otus, Batis and other series.
Overall, Zeiss is a long-established German optical company known for its excellent lens quality and extensive product line. Carl Zeiss is a brand of the Zeiss company, mainly for the mid-range and high-end market, its lens quality is also excellent, the price is relatively cheaper than Zeiss.