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Ricoh / Pentax Patent 200mm F2.8 Lens

Ricoh filed a patent for a 200mm F2.8 lens for fullframe sensor camera. As we all know that Pentax K-1 is now available in stores and Rioch / Pentax making positive effort to add more lenses to attract more fullframe users.

200mm lens image

Ricoh / Pentax Patent 200mm F2.8 Lens details

  • 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

See more Pentax patent, also see Pentax K-1 DSLR User Manual, PDF Guide

source – egami

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