Multiple New Fujifilm GF Lens Patents Have Leaked Fujinon GF20-30mm F4, GF24-50mm F3.5-5.6, 50-380mm F3.3, and 35-280mm F3.3

Fujinon GF20-30mm f/4 and Fujinon GF24-50mm f/3.5-5.6 which might be cine lenses due to their complex designs:

Overview

  • [Public number] P2022112476
  • [Publish date] 2022-08-02
  • INDUSTRIAL APPLICABILITY: Variable-magnification optical system and imaging device
  • [Filing date] 2021-11-09
  • [Applicant]
    [Identification number] 306037311
    [Name or name] FUJIFILM Corporation
  • PROBLEM TO BE SOLVED: To provide a variable magnification optical system which is miniaturized and has good optical performance, and an image pickup apparatus provided with this variable magnification optical system.
  • [0004]
    In recent years, there has been a demand for a variable magnification optical system that is compact and has good optical performance.
  • [0005]
    The present disclosure has been made in view of the above circumstances, and provides a variable magnification optical system that is miniaturized and has good optical performance, and an image pickup apparatus provided with this variable magnification optical system. With the goal.

Example 1

  • Focal length: 50.018-385.642
  • F value: 3.30
  • Angle of view: 50.2-6.8
  • Image height: 23.4
  • Back focus: 49.842


Example 8

  • Focal length: 36.224-279.646
  • F value: 3.28
  • Angle of view: 68.2-9.4
  • Image height: 23.4
  • Back focus: 67.563

Fujinon 50-380mm f/3.3 and Fujinon 35-280mm f/3.3 are new, with other previously released designs also published.

Overview

  • [Public number] P2022112484
  • [Publish date] 2022-08-02
  • INDUSTRIAL APPLICABILITY: Zoom lens and imaging device
  • [Filing date] 2021-12-09
  • [Applicant]
    [Identification number] 306037311
    [Name or name] FUJIFILM Corporation
  • PROBLEM TO BE SOLVED: To provide a compact and lightweight zoom lens having a large image circle and high optical performance, and an image pickup device provided with the zoom lens.


Example 1

  • Focal length: 36.046-67.893
  • F value: 4.62-5.76
  • Angle of view: 77.8-43.8
  • Image height:
  • full length:
  • Back focus: 22.090


Example 3

  • Focal length: 31.062-58.506
  • F value: 5.76-5.77
  • Angle of view: 89.2-49.2
  • Back focus: 21.795


Example 5

  • Focal length: 32.972-80.123
  • F value: 4.64-6.82
  • Angle of view: 87.8-37.6
  • Back focus: 21.780


Example 7

  • Focal length: 20.617-31.132
  • F value: 4.12
  • Angle of view: 111.8-81.8
  • Back focus: 18.734


Example 9

  • Focal length: 24.232-48.463
  • F value: 4.64-5.70
  • Angle of view: 111.2-60.4
  • Back focus: 26.552

via asobinet, asobinet

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