Canon 35-600mm f/4-7.1 and Canon 28-500mm f/3.5-7.1 Lens Patents Found


Canon patents continue to be found including some extreme zoom lenses optimized for size and utility over image quality.

overview

  • [Publication number] P2024083644
  • [Release date] 2024-06-21
  • [Name of invention] Zoom lens and imaging device
  • [Application date] 2024-04-25
    [Division display] Division of P 2020099674
  • [Applicant]
    [Identification number] 000001007
    [Name or company name] Canon Inc.
  • A zoom lens that is small in size, has a high magnification, and has excellent optical characteristics is provided.



Example 1

  • Focal length: 24.74-387.90
  • F-number: 3.60-6.50
  • Half angle of view: 39.51-3.19
  • Image height: 20.40-21.64
  • Total length: 194.51-287.86
  • Back focus: 13.32-46.46


Example 2

  • Focal length: 24.72-289.87
  • F-number: 3.60-5.88
  • Half angle of view: 39.53-4.27
  • Image height: 20.40-21.64
  • Total length: 168.78-235.73
  • Back Focus: 13.34-36.81


Example 4

  • Focal length: 28.81-484.70
  • F-number: 3.60-7.20
  • Half angle of view: 35.30-2.56
  • Image height: 20.40-21.64
  • Overall length: 194.00-286.34
  • Back focus: 13.85-39.37

 


Example 5

  • Focal length: 33.05-581.87
  • F-number: 4.10-7.20
  • Half angle of view: 31.69-2.13
  • Image height: 20.40-21.64
  • Total length: 218.72-333.97
  • Back Focus: 14.32-46.78

via asobinet

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