Hirakawa Jun

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Hirakawa Jun[1] (平川純, born ca. 1962) is a Japanese lens designer. He was responsible for lens designs like the following:

  • DA 10-17mm Fish-Eye
  • DA 14mm f2.8
  • FA ★ 24mm F2.0 AL
  • FA 28mm F2. 8AL
  • FA 35mm F2
  • DA 40mm F2.8 Limited
  • FA 43mm F1.9 Limited
  • DA ★ 55mm F1.4 SDM
  • FA 77mm F1.8 Limited
  • FA ★ 80-200 F2.8
  • FA ★ 85mm F1.4 (IF)

He worked for Pentax until 2010.


  1. The name is given in the Japanese order, with family name followed by the given name.