The latest Nikkor Z lens patents from Nikon

4 years ago
Categories: Nikon Lenses, Nikon Patents
Tags: NIKKOR Z 18-50mm f/2.8-4 lens patent, Nikkor Z 400mm f/2.8 mirrorless lens, Nikkor Z 85mm f/1.8 lens, Nikon NIKKOR 10-15mm f/2.8 lens patebt, Nikon NIKKOR Z 10-21mm f/2.8 lens patent, Nikon NIKKOR Z 100mm f/1.4 lens patent, Nikon NIKKOR Z 12-24mm f/2.8 lens patent, Nikon NIKKOR Z 16-34mm f/2.8 lens patent, Nikon NIKKOR Z 16-50mm f/4 lens patent, Nikon NIKKOR Z 300mm f/2.8 lens, Nikon NIKKOR Z 400mm f/2.8 TC VR S mirrorless lens for Z-mount, Nikon NIKKOR Z 500mm f/4 lens, Nikon NIKKOR Z 600mm f/4 lens

I have been behind on my Nikon patents reporting – my last patent-related blog post is from 2019! Unacceptable! I have over 50 different patents I want to cover on the blog. I will try to catch in the next few weeks. Here is the first batch of 12 Nikkor Z lens patents:

NIKKOR Z 100mm f/1.4
NIKKOR Z 16-34mm f/2.8
NIKKOR Z 18-50mm f/2.8-4
NIKKOR Z 16-50mm f/4
NIKKOR Z 10-21mm f/2.8
NIKKOR Z 12-24mm f/2.8
NIKKOR Z 10-15mm f/2.8
NIKKOR Z 300mm f/2.8
NIKKOR Z 400mm f/2.8
NIKKOR Z 500mm f/4
NIKKOR Z 600mm f/4
NIKKOR Z 85mm f/1.8

Additional details on the above patents:

NIKKOR Z 100mm f/1.4

Patent: 2021-36283 P2021-36283A
Focal length: 101.665 mm
F-number: 1.449
Angle of view: 23.912
Image height: 21.600 mm
Lens length: 150.819 mm
Back focus: 39.283 mm

NIKKOR Z 16-34mm f/2.8

Patent: 2021-33242 P2021-33242A
Zoom ratio: 2.061
Focal length: 16.500 34.000 mm
F-number: 2.910 2.910
Angle of view: 105.504
Image height: 20.787 21.700 mm
Lens length: 157.563 147.452 mm
Back focus: 14.914 34.732 mm

NIKKOR Z 18-50mm f/2.8-4

Same 2021-33242 P2021-33242A patent as above
Zoom ratio: 2.609
Focal length: 18.549 48.400 mm
F-number: 2.910 4.120
Angle of view: 98.952
Image height: 20.449 21.700 mm
Lens length: 156.976 145.902 mm
Back focus: 20.533 50.882 mm

NIKKOR Z 16-50mm f/4

Same 2021-33242 P2021-33242A patent as above
Zoom ration: 2.933
Focal length: 16.500 48.400 mm
F-number: 4.120 4.120
Angle of view: 105.504
Image height: 18.820 21.700 mm
Lens length: 156.081 146.333 mm
Back focus: 17.312 53.242 mm

NIKKOR Z 10-21mm f/2.8

Patent: 2020-170053 P2020-170053A
Focal length: 10.3 20.8 mm
Angle of view: 136.6 91.5
Image height: 21.6 21.6 mm
F-number: 2.8

NIKKOR Z 12-24mm f/2.8

Patent: 2020-170053 P2020-170053A
Focal length: 12.3 23.3 mm
Angle of view: 123.1 86.2
Image height: 21.6 21.6 mm
F-number: 2.8

NIKKOR Z 10-15mm f/2.8

Patent 2020-170055 P2020-170055A

	Example 1	Example 2	Example 3
Focal length	10.3-15.6	10.3-20.8	10.3-21.5
F value	2.8	2.8	2.8
Angle of view	136.3-109.8	136.6-91.5	134.2-90.5
Image height	21.6	21.6	21.6
BF	1.32	1.36	1.62
	Example 4
Focal length	12.3-23.3
F value	2.8
Angle of view	123.1-86.2
Image height	21.6
BF	1.65

NIKKOR Z 300mm f/2.8

NIKKOR Z 400mm f/2.8

NIKKOR Z 500mm f/4

NIKKOR Z 600mm f/4

Patent: JP2020011986W·2020-03-18

NIKKOR Z 85mm f/1.8

This is most likely the current Z 85mm f/1.8 lens version (or a new design? the patent was filed in October last year)
Patent: 2020-173366 P2020-173366A
Developed together with Konica Minolta
Focal length: 83.00 mm
F-number: 1.85
Angle of view: 29.26
Lens length: 111.35 mm
Image height: 21.70 mm

Via hi-lows-note