What is pentax?

Pentax

Pentax is a brand name used by Pentax Ricoh Imaging Company for cameras, sport optics (e.g. binoculars), etc., Hoya Corporation for its medical-related products & services, TI Asahi for its surveying instruments, and Seiko Optical Products for some of its optical lenses.

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Some articles on pentax:

List Of Cameras Supporting A Raw Format - Still Cameras - Pentax
... Pentax *ist D Pentax *ist DL Pentax *ist DL2 Pentax *ist DS Pentax *ist DS2 Pentax 645D - DNG and PEF Pentax 645D IR - DNG and PEF Pentax K100D Super Pentax K100D Pentax K10D - DNG and PEF ...
Pentax K2000
... The Pentax K-m (called K2000 in U.S.) is a 10.2 megapixel digital single-lens reflex camera, announced on September 22, 2008 at the 2008 Photokina trade show along with the DA-L series of lightweight ... It was discontinued in November 2009, being replaced by the more recent Pentax K-x ... It is significantly lighter than other Pentax DSLRs, lacks the weather sealing of the contemporaneous K200D and K20D models, and is intended to be sold ...
Lenses For SLR And DSLR Cameras - Lens Mounts - Pentax K Mount
... The Pentax K mount (or just "PK mount") was created by Pentax in 1975, and has been used by all Pentax 35 mm and digital SLRs since ... modern functionality, just a lack of compatibility with past lenses.) For more information see the Pentax K mount article or Bojidar Dimitrov's web site ... In 2005 Pentax and Samsung entered into a cooperation resulting in the Samsung GX line of DSLRs, based largely on Pentax technology including the Pentax K mount ...
Pentax K200D - Features
... The Pentax K200D has 60 seals for weather/dust resistance ... It uses non-proprietary AA batteries like previous Pentax entry-level offerings ... The K200D's lens mount is the Pentax K-mount so it is compatible with lenses dating as far back as 1973 without the use of adaptors ...
Pentax - Subsidiaries - North America
... Pentax of America Inc ... (Pentax Medical Company) Pentax of America Inc ... (Pentax Imaging Company) Pentax of America Inc ...