Nikon Patents: Z 105mm f/1.8 and Z 105mm f/2.2 Lenses

Nikon has filed a patent for DC lens technology that can control spherical aberration, including examples of 105mm F1.8 and 105mm F2.2 for Nikon full frame mirrorless cameras. Take a look at the patent details below:

Example 1 (105 mm f/1.8)
Focal length 102.01
F number 1.85
Half angle of view 11.9
Image height 21.60
Overall length 224.130
Back focus 18.300
Back focus (air equivalent length) 17.755

Example 6 (105 mm f/2.2)
Focal length 102.09
F number 2.25
Half angle of view 11.9
Image height 21.60
Overall length 199.306
Back focus 18.797
Back focus (air equivalent length) 18.252

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Via: IP force