Tokina 70-200mm FX Lens Patent

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