Fujinon 50-135mm F2.8, 18-135mm F3.5-5.6, and 18-300mm F3.5-6.3 Patents Found

• 3 months ago

Fujifilm filed patent applications for “Extendable 50-135mm F2.8”, “18-135mm F3.5-5.6”, and “18-300mm F3.5-6.3” optical systems that have been reproduced below:

overview

• [Publication number] P2025018369
• [Release date] 2025-02-06
• [Name of invention] Zoom lens and imaging device
• [Application date] 2023-07-26
• [Applicant]
  
  [Identification number] 306037311
  
  [Name or company name] FUJIFILM Corporation
• The present invention provides a zoom lens that is compact and maintains good optical performance by correcting various aberrations, and an imaging device equipped with the zoom lens.
• 2. Description of the Related Art
  
  Conventionally, a zoom lens that can be used in an imaging device such as a digital camera is known, as described in Japanese Patent Laid-Open No. 2003-233666.
• There is a demand for zoom lenses that are compact and have good optical performance with various aberrations corrected. The level of these demands is increasing year by year .
• The present disclosure has been made in consideration of the above circumstances, and
  
  provides a zoom lens that is compact and maintains good optical performance by correcting various aberrations, and an imaging device equipped with this zoom lens.

Example 1

• Focal length: 48.42-127.79
• F-number: 2.88-2.89
• Angle of view: 34.0-12.4
• Back focal length: 22.92

Example 8

• Focal length: 18.50-130.77
• F-number: 3.60-5.81
• Angle of view: 81.0-12.6
• Back Focus: 20.03

Example 11

• Focal length: 17.55-275.58
• F-number: 3.51-6.30
• Angle of view: 85.2-5.8
• Back focus: 12.02-57.03

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