NIKKOR Z 16-34mm F2.8, 18-50mm F2.8-4, 16-50mm F4

NIKON filed a patent describing 16-34mm F2.8, 18-50mm F2.8-4, and 16-50mm F4 for 35mm full-frame mirrorless cameras.

【公開番号】特開2021-33242(P2021-33242A) click here
【公開日】令和3年3月1日(2021.3.1)
【発明の名称】変倍光学系、光学装置および変倍光学系の製造方法

Embodiment 1: 16-34mm F2.8
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


Embodiment 5: 18-50mm F2.8-4
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


Embodiment 7: 16-50mm F4
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