Fujifilm Patents Full Frame 40mm F2, GF 20mm F2.8 (GFX) and XF 15mm F2.8 (APS-C)
A bunch of patents have now been published and have been reported by the Japanese website asobinet.
Based on the info provided, it is mainly it’s about:
- Fujinon GF 20mm f/2.8
- Fujinon XF 14mm f/2.8
- Fujinon 40mm f/2 – for Full Frame
You know my take on patents. I mean, I am still waiting for that lovely foldable Fujifilm smartphone ;).
Just saying… take them with a grain of salt.
[Public number] P2025086741
[Relesue date] 2025-06-09
[Name of invention] Image lens and image device
[Apply date] 2023-11-28
[Applant] [Identification number] 306037311
[Name or title] Fujifilm Corporation
[Issue] Provide a small imaging lens that retains good optical performance, and an imaging device equipped with this imaging lens.
[Background technology] [0002] Traditionally, the imaging optical system described in the following patent document 1 is known as an imaging lens that can be used for imaging devices such as digital cameras.
[0004] A small size and imaging lens that retains good optical performance is required. These requirements are increasing year by year.
Example 1 (GFX?)
Focal length: 20.68
F value: 2.89
Angle of view: 99.8
Back focus: 11.51
Example 2 (GFX?)
Focal length: 22.76
F value: 2.89
Angle of view: 94.4
Back focus: 9.75
Example 3 (GFX?)
Focal length: 24.59
F value: 2.88
Angle of view: 88.6
Back focus: 12.71
Example 11 (GFX?)
Focal length: 18.64
F value: 2.89
Angle of view: 108.2
Back focus: 9.31
Implementation Example 13 (APS-C?)
- Focal length: 15.21
- F value: 2.88
- Angle of view: 95.4
- Back focus: 10.84
Example 14 (APS-C?)
- Focal length: 16.31
- F value: 2.91
- Angle of view: 91.2
- Back focus: 11.12
Example 15 (full size?)
- Focal length: 40.36
- F value: 1.86
- Angle of view: 57.6
- Back focus: 10.95
Example 16 (full size?)
- Focal length: 35.29
- F value: 2.07
- Angle of view: 64.4
- Back focus: 10.44
