Jun Hirakawa
Mr. Jun Hirakawa is a Japanese lens designer best known for creating the Pentax FA 43mm Limited and FA 77mm Limited lenses during his time at Pentax.
Hirakawa said at the time that he regretted his "early retirement" from Pentax in 2010, around the time that Hoya acquired the company, and was subsequently hired by Tamron.Hirakawa is credited with designing:
- DA 10-17mm f/3.5-4.5 Fisheye
- DA 14mm f/2.8
- DA 40mm f/2.8 Limited
- DA 50-200 f/4-5.6
- DA 55-300 f/4-5.8
- DA* 55mm f/1.4
- F 17-28mm f/3.5-4.5 Fisheye
- F 35-80mm f/4-5.6
- F* 600mm f/4
- FA 28-105mm f/4-5.6
- FA 28mm f/2.8 AL
- FA 28mm f/2.8 SOFT
- FA 35mm f/2
- FA 43mm Limited
- FA 70-200mm f/4-5.6
- FA 77mm Limited
- FA* 24mm f/2
- FA* 80-200mm f/2.8
- FA* 85mm f/1.4
- FA* 600mm f/4
- Tamron SP 24-70mm f/2.8
- Unreleased 31mm f/2.4 prototype for the FA Limited series
- Unreleased wide-angle f/2.8
- Unreleased 70-300mm f/4-5.8
- Unreleased 100-400mm f/5.6
- Unreleased 400mm f/4.5
