# Pentax

> company

**Wikidata**: [Q503673](https://www.wikidata.org/wiki/Q503673)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Pentax)  
**Source**: https://4ort.xyz/entity/pentax

## Summary
Pentax is a Japanese company specializing in optical products, particularly cameras and lenses, founded in 1919 as Asahi Kogaku Goshi Kaisha. It is known for pioneering innovations in photography, including the development of iconic camera models like the Pentax K1000 and the K-mount lens system. The company was acquired by Ricoh in 2011 and continues to operate as a brand under Ricoh Imaging.

## Key Facts
- **Founded**: January 1, 1919, as Asahi Kogaku Goshi Kaisha (later Asahi Optical Corporation).
- **Headquarters**: Tokyo, Japan.
- **Industry**: Photo industry, specializing in cameras, lenses, and optical instruments.
- **Parent Company**: Ricoh (since 2011).
- **Dissolved as Independent Entity**: March 31, 2008.
- **Employees (at peak)**: 1,661.
- **Key Products**: Cameras (e.g., Pentax K1000, Pentax K200D, Pentax 645Z), lenses (Takumar brand), binoculars, and instrumentation engineering tools.
- **Notable Innovations**:
  - **Pentax K1000** (1976): A widely used manual SLR camera.
  - **Pentax K200D** (2008): A digital SLR camera.
  - **Pentax 645Z** (2014): A medium-format digital camera.
  - **K-mount** (1975): A lens mount system adopted by multiple manufacturers.
  - **M42 mount** (1949): A screw thread mounting standard for 35mm cameras.
- **Aliases**: Asahi Optical Corporation, Pentax Corporation, Asahi Pentax.
- **Website**: [https://www.ricoh-imaging.co.jp/](https://www.ricoh-imaging.co.jp/).
- **Social Media**: Twitter (@ricohimaging_jp), Facebook (pentax.jp).
- **Wikidata ID**: Q4830193.
- **Sitelinks**: 36 language editions on Wikipedia.

## FAQs

**What is Pentax known for?**
Pentax is renowned for its high-quality cameras, lenses, and optical instruments, particularly its single-lens reflex (SLR) and digital SLR (DSLR) cameras. The brand is celebrated for its durable, user-friendly designs and innovations like the K-mount lens system.

**When was Pentax founded?**
Pentax was founded on January 1, 1919, as Asahi Kogaku Goshi Kaisha. It later became Asahi Optical Corporation before adopting the Pentax name.

**What are some iconic Pentax camera models?**
Iconic models include the **Pentax K1000** (1976), a manual SLR camera widely used in photography education; the **Pentax MX** (1976), a compact 35mm SLR; and the **Pentax 645Z** (2014), a medium-format digital camera.

**What is the K-mount?**
The K-mount is a lens mount system introduced by Pentax in 1975. It is known for its durability and compatibility, allowing lenses to be used across multiple Pentax camera models and even some third-party cameras.

**Who owns Pentax now?**
Pentax is owned by Ricoh, a Japanese multinational imaging and electronics company. Ricoh acquired Pentax in 2011, and the brand now operates under Ricoh Imaging.

**What industries does Pentax serve?**
Pentax primarily serves the photo industry, producing cameras, lenses, and optical instruments. It also contributes to instrumentation engineering, including measuring instruments and automated control systems.

**Where is Pentax headquartered?**
Pentax is headquartered in Tokyo, Japan, which has been its operational base since its founding.

## Why It Matters
Pentax has played a pivotal role in the evolution of photography, particularly in the development of SLR and DSLR cameras. Its innovations, such as the K-mount system, have set industry standards for compatibility and durability, influencing both amateur and professional photographers. The brand’s commitment to quality and innovation has cemented its place in the history of optical engineering, making it a trusted name in photography and instrumentation.

## Notable For
- **Pioneering Camera Models**: The Pentax K1000, one of the most widely used manual SLR cameras in photography education.
- **K-mount System**: A versatile lens mount adopted by multiple manufacturers, ensuring long-term compatibility.
- **Medium-Format Photography**: The Pentax 645Z, a high-resolution medium-format digital camera.
- **Durability and Reliability**: Pentax cameras are known for their rugged construction, often used in challenging environments.
- **Innovation in Optics**: Development of high-quality lenses under the Takumar brand.
- **Legacy in Film Photography**: The Pentax Spotmatic (1964) and Pentax MX (1976) are iconic film cameras.
- **Digital Transition**: Early adoption of digital technology with models like the Pentax K200D (2008).

## Body

### History and Evolution
Pentax was founded on January 1, 1919, as **Asahi Kogaku Goshi Kaisha**, initially focusing on optical instruments. The company later became **Asahi Optical Corporation** and adopted the Pentax name, which became synonymous with high-quality cameras and lenses. Pentax dissolved as an independent entity on March 31, 2008, and was acquired by **Ricoh** in 2011. Today, it operates as a brand under **Ricoh Imaging**, continuing its legacy in optical engineering.

### Key Product Lines
Pentax has produced a wide range of cameras and optical products, including:
- **Film Cameras**:
  - **Pentax K1000** (1976): A manual SLR camera renowned for its simplicity and durability.
  - **Pentax MX** (1976): A compact 35mm SLR camera favored by professionals.
  - **Pentax Spotmatic** (1964): A family of cameras that popularized the M42 screw mount.
  - **Pentax LX** (1980): A professional-grade SLR camera.
- **Digital Cameras**:
  - **Pentax K200D** (2008): A digital SLR camera with advanced features for enthusiasts.
  - **Pentax K-30** (2012): A weather-sealed DSLR camera.
  - **Pentax 645Z** (2014): A medium-format digital camera with a 51.4-megapixel sensor.
  - **Pentax Q series** (2011): A compact mirrorless camera line.
- **Lenses**:
  - **Takumar lenses**: A brand of high-quality lenses used by Asahi/Pentax.
  - **K-mount lenses**: A versatile lens system compatible with multiple camera models.

### Innovations and Technologies
Pentax is known for several key innovations:
- **K-mount System** (1975): A lens mount that allows for compatibility across multiple camera models, ensuring long-term use of lenses.
- **M42 Mount** (1949): A screw thread mounting standard for attaching lenses to 35mm cameras, widely adopted in the industry.
- **Weather-Sealed Cameras**: Pentax cameras are often designed to be weather-resistant, making them suitable for outdoor and challenging conditions.
- **Medium-Format Digital Photography**: The Pentax 645Z brought high-resolution medium-format photography to a broader audience.

### Corporate Structure and Ownership
Pentax was acquired by **Ricoh**, a Japanese multinational imaging and electronics company, in 2011. The acquisition allowed Pentax to leverage Ricoh’s resources while maintaining its brand identity. Pentax operates under **Ricoh Imaging**, focusing on cameras, lenses, and optical instruments.

### Global Presence and Recognition
Pentax has a global presence, with its products recognized for their quality and innovation. The brand is particularly strong in Japan and has a dedicated following among photographers worldwide. Its cameras and lenses are used by professionals and enthusiasts alike, and the brand continues to be a significant player in the photo industry.

### Related Entities and Industries
Pentax is closely associated with:
- **Ricoh**: The parent company that acquired Pentax in 2011.
- **Tokyo**: The headquarters of Pentax, located in Japan’s capital.
- **Photo Industry**: The broader industry in which Pentax operates, including manufacturing and service providers in photography.
- **Instrumentation Engineering**: A field related to measuring instruments and automated control systems, where Pentax has contributed.

### Legacy and Impact
Pentax’s legacy in photography is marked by its commitment to innovation and quality. The brand’s cameras and lenses have been used in various fields, from professional photography to scientific research. Its contributions to optical engineering, particularly the K-mount system, have had a lasting impact on the industry, ensuring compatibility and durability for photographers.

## References

1. [Verrekijker merk Asahi Pentax, onderdeel van de uitrusting gebruikt door Herman Jansen aan boord van de Sounion](https://n2t.net/ark:/33862/collect/728640)
2. Freebase Data Dumps. 2013
3. Quora
4. YouTube API