Fujinon Full Frame 75mm F1.4 and 56mm F1.4 Patents Spotted
A couple of new lens patents have now been spotted by the Japanese website asobinet.
- 51mmF1.4
- 54mmF1.4
- 56mmF1.2
- 74mmF1.4
Interestingly the lenses seem to be designed for Full Frame rather than APS-C or GFX.
It’s not the first time that a full frame lens patents surfaced. We already spotted the 40mmF2.
Patent Details
Outline
- [Public number] P2026011068
- [Relase date] 2026-01-23
- [Name of the invention] Image lens and image device
- [Application date] 2024-07-10
- [Applicant]
[Identification number] 306037311
[Name or title] Fujifilm Co., Ltd. - [Issue] Provide an imaging lens with a small F number, small, and good optical performance, and an imaging device with this imaging lens.
- [Background technology] [0002] Traditionally, the imaging optical system described in patent document 1 below is known as an imaging lens that can be used for imaging equipment such as digital cameras.
- [0004] An imaging lens with a small F number, small size, and good optical performance is required. These levels of requirements are increasing year by year.
- [0005] This disclosure provides an imaging lens with a small F number, which is small, and retains good optical performance, and an imaging device with this imaging lens.
Example 1
- Focal length: 54.6193
- F value: 1.48
- Angle of view: 43.0
- Back focus: 28.3087
Example 7
- Focal length: 51.0437
- F value: 1.45
- Angle of view: 45.8
- Back focus: 22.1761
Example 14
- Focal length: 56.0632
- F value: 1.25
- Angle of view: 42.2
- Back focus: 10.9927
Example 17
- Focal length: 73.9956
- F value: 1.46
- Angle of view: 32.0
- Back focus: 14.1457
