to 1999). Equipment was exported to the United States from the 1950s until the mid-1970s; being imported by Honeywell Corporation and branded as "Heiland Pentax" and later "Honeywell Pentax". The company was renamed Pentax Corporation in 2002. It was one of the world's largest optical companies, producing still cameras, binoculars, spectacle lenses, and a variety of other optical instruments. In 2004, Pentax had about 6000 employees.

Merger with Hoya