Fujinon GF17-35mm f/4, GF17-30mm f/4, and GF17-35mm f/4-5.6 Patents Found

• 10 months ago

 

overview

• [Publication number] P2023092031
• [Release date] 2023-07-03
• [Title of the invention] Variable power optical system and imaging device
• [Application date] 2021-12-21
• [Applicant]
  
  [Identification number] 306037311
  
  [Name] FUJIFILM Corporation
• A variable power optical system that has a wide angle of view, is compact, and maintains good optical performance, and an imaging apparatus that includes this variable power optical system.

Example 1

• Focal Length: 17.48-30.06
• F-value: 4.09-4.10
• Angle of view: 110.6-72.2
• Back focus: 13.07-24.81

Example 2

• Focal length: 16.48-34.36
• F-value: 4.11-4.10
• Angle of view: 112.8-63.6
• Back focus: 16.92-32.71

Example 11

• Focal Length: 17.18-33.50
• F-value: 4.12-5.21
• Angle of view: 106.6-64.4
• Back focus: 18.77-37.23

Fujinon GF20-35mm f/4:

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