The latest Nikon patens:
Nikon filed a patent (P2019-159188A) in Japan for a 12mm f/2.8 full-frame DSLR lens (please note that this is NOT a mirrorless Z lens as some clickbait websites reported):
- Focal length: 12.36 mm
- F no (aperture): f/2.88
- ω (half angle of view): 61.2
- Image height: 21.60 mm
Japan patent application 2019164377 is for Nikon Z-mount 24-80mm f/2.8-4.0 full-frame and 16-60mm APS-C lenses:
Nikon 24-80mm f/2.8-4.0 mirrorless full-frame lens patent
- Focal Length: 24.70 49.50 82.45
- F No: 2.88 3.61 4.12
- Half angle of view: 41.2 23.5 14.4
- Image Height 19.55 21.63 21.63
- Total Length: 143.097 153.553 175.036
- Back Focus: 25.126 34.230 43.854
Nikon 16-60mm f/2.8-4.0 mirrorless APS-C lens patent
- Focal Length: 16.48 34.64 58.22
- F No 2.88 4.00 4.12
- Half Angle 40.8 22.4 13.8
- Image Height 12.53 13.69 13.92
- Total Length 106.299 122.339 144.292
- Back Focus 13.038 13.038 13.038
Japan Patent Application 2019-164375 is for various Nikkor Z 16-35mm f/2.8 and f/4.0 mirrorless lenses (similar to the previous 2019-093547 patent):
Nikon 16-35mm f/2.8 mirrorless lens patent
- Focal Length: 16.48 25.21 33.95
- F No: 2.83 2.83 2.83
- Half angle of view 54.1 39.9 31.7
- Image Height 21.64 21.64 21.64
- Total Length 162.368 156.100 161.776
- Back Focus 18.068 18.076 18.058
Nikon 16-35mm f/4.0 mirrorless lens patent
- Focal Length: 16.48 25.21 33.95
- F No: 4.00 4.00 4.00
- Half angle of view: 54.1 39.8 31.7
- Image Height: 21.64 21.64 21.64
- Total Length: 162.369 156.678 160.978
- Back Focus: 18.069 18.064 18.074
Nikon has a patent filed in Japan (2019-161663) for what appears to be an F-mount mirrorless camera with a pellicle mirror and two image sensors (the smaller image sensor above the mirror is used for autofocus and exposure calculations, while the bigger main image sensor is used for taking a picture:
Another one of the many Nikon Z mirrorless camera patents: 2018-015562:
Via MirrorlessReports, (2), (3)
