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2. List of Pentax products - Wikipedia

   en.wikipedia.org/wiki/List_of_Pentax_products

   Pentax 01 Standard Prime (2011) — 47 mm equivalent; Pentax 02 Standard Zoom (2011) — 28–80 mm equivalent; Pentax 03 Fisheye (2011) — 17.5 mm equivalent; Pentax 04 Toy Lens Wide (2011) — 35 mm equivalent; Pentax 05 Toy Lens Telephoto (2011) — 100 mm equivalent; Pentax 06 Telephoto Zoom (announced in 2012) — 83–249 mm equivalent

3. Pentax - Wikipedia

   en.wikipedia.org/wiki/PENTAX_Corporation

   Pentax Corporation (ペンタックス株式会社, Pentakkusu Kabushiki gaisha) was a Japanese camera and optical equipment manufacturer. 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.

4. Pentax cameras - Wikipedia

   en.wikipedia.org/wiki/Pentax_cameras

   In June 2013 Pentax announced the successors to the K-30, the K-50 and K-500. Both are mid-level DSLRs, the K-500 being a stripped-down version of the K-50, having no weather seals and less-advanced electronics. [36] [37] Pentax K-500 uses 4 AA batteries (rechargeable Lithium battery is optional), while Pentax K-50 uses rechargeable Lithium ...

5. Pentax DA 18-55mm lens - Wikipedia

   en.wikipedia.org/wiki/Pentax_DA_18-55mm_lens

   The SMC Pentax-DA 18-55mm f/3.5-5.6 AL lens is a standard zoom lens for the Pentax K-mount. It is often sold as a kit lens with Pentax digital SLR cameras and has a 35mm equivalent focal length of 27–82.5mm.

6. Pentax (lens) - Wikipedia

   en.wikipedia.org/wiki/Pentax_(lens)

   2000: Pentax develops and commercializes the world's first diffractive DVD/CD-compatible hybrid pickup lens. [1] 2009: Pentax introduces the world’s first autofocus fisheye lens. That lens is the DA 10-17mm ED (IF) Fish-Eye. [1] 2011: Pentax introduces the world’s smallest and lightest interchangeable lens camera (ILC). That camera was the ...

7. Pentax K-50 - Wikipedia

   en.wikipedia.org/wiki/Pentax_K-50

   The Pentax K-50 has an onboard microphone but lacks the audio-in port of most comparable cameras, limiting its usefulness to videographers. Pentax is the only company to include a weather-resistant kit lens, Pentax K-50 with DA L 18-55mm f3.5-5.6 WR, while the higher-model Pentax K-3 offers the 18-135mm F3.5-5.6 WR in one of its kits.

8. Helios (lens brand) - Wikipedia

   en.wikipedia.org/wiki/Helios_(lens_brand)

   Helios-44M lenses have been produced at KMZ since 1971, and the main differences from the base model Helios-44 concern only the aperture control method, the number of aperture blades and the resolution of the lens: - Helios-44M has an 8-blade diaphragm; - Helios-44M has a jumping diaphragm device, unlike Helios-44, which has only manual control ...

9. Pentax Spotmatic - Wikipedia

   en.wikipedia.org/wiki/Pentax_Spotmatic

   The Pentax Spotmatic refers to a family of 35mm single-lens reflex cameras manufactured by the Asahi Optical Co. Ltd., later known as Pentax Corporation, between 1964 and 1976. All Pentax Spotmatics used the M42 screw-thread lens mount which was developed after World War II by Zeiss and Praktica. Asahi Optical used the name Takumar for their ...