12mm F2.8, 14mm F2, 14mm F2.8 from SIGMA

SIGMA filed a patent of 12mm F2.8, 14mm F2 and 14mm F2.8 for 35mm full-frame mirroless-cameras.

【公開番号】特開2020-129022(P2020-129022A)
【公開日】令和2年8月27日(2020.8.27)
【発明の名称】広角レンズ系

Embodiment 1
Focal length: 12.40 mm
F number: 2.93
Angle of view: 122.09
Image height: 21.63 mm
Lens length: 138.00 mm
Back focus: 20.6500 mm


Embodiment 2
Focal length: 14.48 mm
F number: 2.07
Angle of veiw: 114.25
Image height: 21.63 mm
Lens length: 136.00 mm
Back focus: 20.5832 mm


Embodiment 3
Focal length: 14.48 mm
F number: 2.91
Angle of view: 114.26
Image height: 21.63 mm
Lens length: 120.00 mm
Back focus: 20.4000 mm

18 to 100, 200, 260, 300, 400 or 500mm for APS-C mirroless from TAMRON

TAMRON filed a patent of ultra zoom lenses, 18 to 100, 200, 260, 300, 400 or 500mm, with VC for APS-C mirroless cameras (Nikon Z double-digit?).

【公開番号】特開2020-122823(P2020-122823A) click here
【公開日】令和2年8月13日(2020.8.13)
【発明の名称】ズームレンズ及び撮像装置

Embodiment 1
Zoom ratio: 14.097
Image height: 14.200 mm
Focal length: 18.566 70.020 261.733 mm
F number: 3.605 5.550 6.489
Half angle of view: 37.748 10.466 3.048
Lens length: 120.000 133.768 180.000 mm
Back focus: 18.272 16.100 14.646 mm


Embodiment 2
Zoom ratio: 15.668
Image height: 14.200 mm
Focal length: 18.558 70.005 290.760 mm
F number: 3.605 5.550 6.489
Half angle of view: 38.867 10.945 2.825
Lens length: 130.000 162.903 199.994 mm
Back focus: 22.929 17.476 14.750 mm


Embodiment 3
Zoom ratio: 20.894
Image height: 14.200 mm
Focal length: 18.556 85.026 387.712 mm
F number: 3.605 5.550 6.489
Half angle of view: 38.856 9.039 2.136
Lens length: 155.243 186.883 260.000 mm
Back focus: 24.232 17.831 14.746 mm


Embodiment 4
Zoom ratio: 26.125
Image height: 14.200 mm
Focal length: 18.549 95.016 484.592 mm
F number: 3.605 5.550 6.489
Half angle of view: 38.845 8.104 1.727
Lens length: 156.884 208.996 300.000 mm
Back focus: 23.776 19.470 14.746 mm


Embodiment 5
Zoom ratio: 5.610
Image height: 13.323～14.200 mm
Focal length: 18.301 43.535 102.674 mm
F number: 4.080 5.350 5.660
Half angle of view: 39.191 17.680 7.605
Lens length: 87.002 101.835 129.999 mm
Back focus: 14.503 27.315 42.000 mm


Embodiment 6
Zoom ratio: 10.443
Image height: 13.364～14.200 mm
Focal length: 18.554 55.051 193.767 mm
F number: 3.600 5.075 6.450
Half angle of view: 38.673 13.734 4.106
Lens length: 97.735 117.599 180.000 mm
Back focus: 13.815 13.815 13.815 mm

30mm F1.0, 33mm F1.0 and 35mm F1.0 from FUJIFILM

FUJIFILM filed a patent of various F1.0 lenses, 30mm, 33mm and 35mm, for APS-C mirroless cameras.

【公開番号】特開2020-122941(P2020-122941A) click here
【公開日】令和2年8月13日(2020.8.13)
【発明の名称】撮像レンズおよび撮像装置

Embodiment 1
Focal length: 34.686 mm
F number: 1.03
Angle of view: 45.4


Embodiment 3
Focal length: 30.369 mm
F number: 1.03
Angle of view: 51.0


Embodiment 12: XF33mmF1 R WR?
Focal length: 33.489 mm
F number: 1.03
Angle of view: 46.8

RF200-800mm F6-8.5

CANON filed a patent of RF200-800mm F6-8.5.

【公開番号】特開2020-118816(P2020-118816A) click here
【公開日】令和2年8月6日(2020.8.6)
【発明の名称】ズームレンズ、撮像装置、レンズ装置

Embodiment 4: 200-800mm F6-8.5
Focal length: 199.97 399.99 784.76 mm
F number: 6.00 6.80 8.50
Half angle of view: 6.17 3.10 1.58
Image height: 21.64 21.64 21.64 mm
Lens length: 285.44 355.65 385.65 mm
Back focus: 22.57 43.72 83.86 mm


Embodiment 1 relating to RF100-500mm F4.5-7.1 L IS USM
Focal length:101.99 199.92 489.99 mm
F number: 4.60 5.20 7.20
Half angle of view: 11.98 6.18 2.53
Image height: 21.64 21.64 21.64 mm
Lens length: 222.94 272.65 312.20 mm
Back focus: 19.88 36.44 69.71 mm