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Tokina 70-200mm FX Lens Patent

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Egami has spotted a new Tokina patent filed in Japan. The new patent includes Tokina 70-200mm FX lens. There is no information for the lens aperture.

Tokina has showed 70-200mm F4 FX lens at CP+ in Japan. This lens is also hasn’t released yet. Below are the details for the new Tokina 70-200mm FX lens.


Tokina 70-200mm FX Lens Patent

Description and self-interpretation of the patent literature (Translated by Google)
  • Patent Publication No. 2013-156502
    • Publication date 2013.8.15
    • Filing date 2012.1.31
    • Applicant Kenko Tokina
  • Example 1
    • Focal length f = 72-105-194mm
    • Image height 21.59mm
    • 19 pieces of 14-group lens configuration
  • Tokina patents
    • 4 group structure of the positive and negative positive positive
    • Inner zoom
    • (1 part of the first group) inner focus
    • (Part of the fourth group) correction to shake
    • Minimum focusing distance 1m

via Egami