New Patent: Pentax 200mm F2.8 ED DC Lens

Pentax 200mm F2.8 Lens patent

Ricoh has just filed a new patent for Pentax 200mm F2.8 ED [IF] DC lens. As we all known Pentax K-1 full-frame camera is scheduled to start shipping on April 25, 2016 and Pentax is making positive effort to add more lenses for full-frame users.

  • Patent Publication No. 2016-51100
    • Published 2016.4.11
    • Filing date 2014.9.1
  • Example 1
    • Focal length 200.000
    • F-number 2.80
    • Half angle of 6.3 °
    • Image height 22.000
    • BF 66.870
    • Overall length of the lens 184.874

Source: EGI

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