Pentax Corporation was a Japanese camera and optical equipment manufacturer, and currently, it exists as the Pentax Life Care Business Division of Hoya's medical endoscope business, as well as the digital camera brand of Ricoh Imaging, a subsidiary of Ricoh.
Former headquarters in Itabashi, Tokyo
Zeiss Ikon Pentax prototype with a Carl Zeiss Jena Tessar lens
Hoya Corporation is a Japanese company manufacturing optical products such as photomasks, photomask blanks and hard disk drive platters, contact lenses and eyeglass lenses for the health-care market, medical photonics, lasers, photographic filters, medical flexible endoscopy equipment, and software. Hoya Corporation is one of the Forbes Global 2000 Leading Companies and Industry Week 1000 Company.
Hoya headquarters in Tokyo