http://www.company7.com/zeiss/history.html
蔡司 l50年 全史. (全文約1万字.)
In 1988 Zeiss Oberkochen announced the "-Coatings" (invented by Adolf Weyauch); a "phase correcting coating" ...... And also in 1990 the 20x60 S - the world's first hand-held, mechanically stabilized binocular (this too was invented by Adolf Weyauch).