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Pentax - Wikipedia
https://en.wikipedia.org/wiki/Pentax
Pentax (ペンタックス, Pentakkusu) is a brand name used primarily by Japanese multinational imaging and electronics company Ricoh for DSLR cameras, lenses, sport optics (including binoculars and rifle scopes), and CCTV optics.
pentaxmedical.com
https://www.pentaxmedical.com/
Pentax Medical Company.
Pentax Cameras: Digital Photography Review
https://www.dpreview.com/products/pentax/cameras?subcategoryId=cameras&page=1
Product Database Pentax Pentax Cameras.
Линейка фотокамер Pentax в картинках | Перископ
https://periscope.com.ua/istoriya-fotografii/lineyka-fotokamer-pentax-v
Линейка Pentax. Asahiflex I. Первая японская SLR камера. Asahi Pentax. Внедрена первая пентапризма. Камера оснащена курковым механизмом перевода кадра и взвода затвора.
Pentax User
https://www.pentaxuser.com/
Pentax User - contains the latest Pentax news, reviews, galleries, forums and exclusive Pentax competitions - Join Pentax User Plus for exclusive deals on Pentax repairs, insurance and more.
Pentax - Camera-wiki.org - The free camera encyclopedia
http://camera-wiki.org/wiki/Pentax
Pentax is a Japanese camera maker, founded in 1919. The company that would become Pentax was founded in 1919 as Asahi Kōgaku Kōgyō G.K. (旭光学工業㈾). It was originally an optical company, beginning by making glasses under the Aoco brand...