Nikon Patents: NIKKOR Z 35mm, 50mm, 85mm f/1.4 & f/1.8 Lenses

Nikon has filde several new Z-mount lens patents for NIKKOR Z 35mm, 50mm, 85mm f/1.4 & f/1.8 Lenses for Nikon full frame mirrorless cameras.

[Publication number] P 2020518919
[Publication date] APRIL 5, 2022
[Patent application title] Optical system and imaging device

Example 1 (50mm F1.8) 
Focal length 51.59 
F number 1.85 
Half angle of view 22.6 
Image height 21.70 
Overall length 80.800 
Back focus 13.599 
Back focus (air equivalent length) 13.054

Example 13 (35mm F1.8) 
Focal length 36.52 
F number 1.85 
Half angle of view 30.6 
Image height 21.70 Overall 
length 100.000 
Back focus 9.600 
Back focus (air equivalent length) 9.055

Example 20 (35mm F1.4) 
Focal length 36.41 
F number 1.45 
Half angle of view 30.7 
Image height 21.70 Overall 
length 120.000 
Back focus 9.600 
Back focus (air equivalent length) 9.055

Example 26 (50mm F1.4) 
Focal length 51.60 
F number 1.44 
Half angle of view 22.7 
Image height 21.70 
Overall length 113.685 
Back focus 13.100 
Back focus (air equivalent length) 12.555

Example 27 (85mm F1.8) 
Focal length 85.00 
F number 1.86 
Half angle of view 14.2 
Image height 21.70 
Overall length 115.209 
Back focus 21.685 
Back focus (air equivalent length) 21.004

Example 31 (85mm F1.4) 
Focal length 85.00 
F number 1.42 
Half angle of view 14.2 
Image height 21.70 
Overall length 145.265 
Back focus 14.071 
Back focus (air equivalent length) 13.389

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Nikon Z9 Body: $5,496.95 at Amazon, B&H, Adorama.

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