Fujifilm filed patent applications for Fujinon 14-26mm F5-7 and 12-26mm F5-6.8 optical systems that has been reproduced below:
overview
- [Publication number] P2025073886
- [Release date] 2025-05-13
- [Title of invention] Variable magnification optical system and imaging device
- [Application date] 2023-10-27
- [Applicant]
[Identification number] 306037311
[Name or company name] FUJIFILM Corporation - 2. Description of the Related Art
Conventionally, variable magnification optical systems that can be used in imaging devices such as digital cameras include those described in the following Patent Documents 1 and 2. - There is a demand for a variable magnification optical system that is small and lightweight and maintains good optical performance over the entire range of magnification .
- The present
disclosure provides a variable magnification optical system that is small and lightweight and maintains good optical performance over the entire range of magnification, and an imaging apparatus that includes this variable magnification optical system.
Example 1
- Focal length: 14.65-26.38
- F-number: 5.15-6.59
- Angle of view: 97.4-54.6
- Back focus: 20.66-29.00
Example 3
- Focal length: 13.40-22.78
- F-number: 5.12-5.93
- Angle of view: 102.8-62.2
- Back focus: 22.56-26.09
Example 5
- Focal length: 12.36-25.95
- F-number: 5.11-6.72
- Angle of view: 107.0-55.2
- Back focus: 17.13-22.58
Example 6
- Focal length: 11.38-25.03
- F-number: 5.11-6.96
- Angle of view: 111.0-55.4
- Back Focus: 17.03
Example 19
- Focal length: 13.52-29.74
- F-number: 4.61-5.65
- Angle of view: 102.2-47.0
- Back Focus: 10.40
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