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

  • smc Pentax-DA 10-17mm F3.5-4.5 Fish-Eye ED [IF]
  • smc Pentax-DA 14mm F2.8 ED [IF]
  • smc Pentax-FA★ 24mm F2 AL [IF]
  • smc Pentax-FA 28mm F2.8 AL
  • smc Pentax-FA 35mm F2 AL
  • smc Pentax-DA 40mm F2.8 Limited
  • smc Pentax-FA 43mm F1.9 Limited
  • smc Pentax-DA★ 55mm F1.4 SDM
  • smc Pentax-FA 77mm F1.8 Limited
  • smc Pentax-FA★ 80-200 F2.8 ED [IF]
  • smc Pentax-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.


Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.