Disambiguation Page

At least two camera-related Japanese companies were called Katsuma:

  1. In 1932, a company called Katsuma Kōgaku Kikai Seisakusho is cited as one of the two founders of Tōkyō Kōgaku (see this page).
  2. In the 1950s, Katsuma Kōgaku Kōgyō K.K. was the new name of Fuji Kōgaku (see this page). It was also a binocular maker, sometimes using the English name Katsuma Optical Company.