Nikon has new patents for 24-80mm f/2.8-5.6 and 24-55mm f/1.8-2.8 full-frame mirrorless lenses that could end up in the Nikkor Z roadmap for 2020 or 2021 – here is some additional information with direct links to the original patents filings:
Nikon Nikkor 24-80mm f/2.8-5.6 full-frame mirrorless lens patent (P2019-135552A)
- Zoom ratio: 3.37
- Focal length: 1.00 1.53 3.37
- Fno.: 2.89 3.57 5.87
- ω : 44.0 30.8 14.8
- Image height: 0.81 0.85 0.89
- Back focus: 1.29 1.62 2.88
- Total length: 5.51 5.15 5.72
Nikon Nikkor 24-55mm f/1.8-2.8 full-frame mirrorless lens patent:
- Zoom ratio: 2.23
- Focal length: 1.00 1.46 2.23
- Fno.: 1.85 2.40 2.81
- ω: 41.6 33.7 22.1
- Image height: 0.772 0.917 0.917
- Back focus: 1.10 1.04 1.11
- Total length: 7.53 6.67 6.23
Konika-Minolta and Nikon filed patents of wide-angle prime f/1.8 lenses for mirrorless cameras (probably the current Nikkor Z lenses): P2019-90947A, P2019-90948A and P2019-90949A.
Nikon Nikkor 55-200mm f/4-5.6 mirrorless lens patent (P2015-086328):
- Focal length: 56.60 135.00 194.00
- Aperture: 4.11 5.27 5.82
- Half angle of view: 14.23 5.84 4.07
- Image hight: 14.00 14.00 14.00
- Total length: 131.99 157.03 166.71
- Back focus 23.64 39.59 52.68
Sample arrangement of phase detection pixels
Nikon has obtained a patent of oblique alignment sensors with phase detection pixels (P6315032).
Via hi-lows-note
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