New Patent: Canon EF 17-35mm F4-5.6 IS STM

Canon EF 17-35mm F4-5.6 IS STM patent

Good News!!! According to the latest news from CanonNews, Canon has just filed a new patent: Canon EF 17-35mm F4-5.6 IS STM. It is a non-L zoom lens for full frame camera lineup. After the release of the Canon EF 24-105 3.5-5.6 STM lens in 2014, Canon did not produce other STM lenses for a “cheaper” series of full frame lenses for a long time.

Specification from the patent:

Canon EF 17-35mm f/4-5.6 IS STM Optical Formula

  • Focal distance: 17.50  25.12  34.09
  • F number: 4.00 4.85   5.88
  • A half field angle (degree): 51.03  40.73  32.40
  • Image height: 21.64  21.64  21.64
  • Whole length of the lens: 130.88 128.52 134.05
  • BF: 37.60  49.75  64.06

Japan patent application 2017-161568

Read More Canon Lens Patent

See Also 2017 Holiday Canon Lens Deals

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