skos:altLabel | - Asahi
- Pentax LX
- its merger
- Asahi (Pentax)
- Asahi Optical
- Asahi Optical Co., Ltd.
- Asahi Optical Company
- Asahi Pentax
- Kay-Pentax
- PENTAX
- PENTAX-
- Pentax 04
- Pentax Corporation
- Pentax Ricoh Imaging Co., Ltd.
- Pentax of America Inc.
- Pentax#North America
- Pentex
- Ricoh Imaging
- The Asahi Optical Company
- partnership begun in 2005
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