RF 24mm F1.4, 24mm F1.8, 28mm F1.8, 35mm F1.8 (not MACRO) and 50mm F1.4

CANON filed a patent describing various prime lenses for 35mm full-frame mirrorless cameras.

【公開番号】特開2021-18277(P2021-18277A) click here
【公開日】令和3年2月15日(2021.2.15)
【発明の名称】光学系および光学機器

Embodiment 1: RF 24mm F1.4
Focal length: 24.00 mm
F number: 1.40
Half angle of view: 42.03
Image height: 21.64 mm
Lens length: 120.00 mm
Back focus: 15.00 mm


Embodiment 2: RF 35mm F1.8
Focal length: 35.00 mm
F number: 1.80
Half angle of view: 31.72
Image height: 21.64 mm
Lens length: 100.00 mm
Back focus: 15.00 mm


Embodiment 3: RF 28mm F1.8
Focal length: 28.00 mm
F number: 1.80
Half angle of view: 37.69
Image height: 21.64 mm
Lens length: 100.00 mm
Back focus: 15.85 mm


Embodiment 4: RF 24mm F1.8
Focal length: 24.00 mm
F number: 1.80
Half angle of view: 42.03
Image height: 21.64 mm
Lens length: 110.00 mm
Back focus: 15.06 mm


Embodiment 5: RF 24mm F1.4
Focal length: 24.00 mm
F number: 1.40
Half angle of view: 42.03
Image height: 21.64 mm
Lens length: 120.00 mm
Back focus: 15.79 mm


Embodiment 6: RF 50mm F1.4
Focal length: 50.00 mm
F number: 1.40
Half angle of view: 23.40
Image height: 21.64 mm
Lens length: 100.00 mm
Back focus: 15.00 mm

Collapsable zoom lens, 24-100mm F4-7.3, for 35mm full-frame mirrorless from CANON

CANON filed a patent of a collapsable zoom lens for 35mm full-frame mirrorless cameras.

【公開番号】特開2021-12243(P2021-12243A) click here
【公開日】令和3年2月4日(2021.2.4)
【発明の名称】ズームレンズおよび撮像装置

Embodiment 1: 24 - 100 mm, F4 - 7.3
Zoom ratio: 4.12
Focal length: 24.72 66.67 101.85 mm
F number: 4.11 6.18 7.31
Half angle of view: 38.84 17.98 11.99
Image height: 19.90 21.64 21.64 mm
Lens length: 107.32 129.72 156.93 mm
Back focus: 13.24 36.77 37.68 mm

1:1 Macro and Standard Zoom lenses for 35mm full-frame mirrorless from TAMRON

TAMRON filed two patents, 1:1 Macro lens and Standard Zoom lens, for 35mm full-frame mirrorless cameras.

1:1 Macro
【公開番号】特開2021-9262(P2021-9262A) click here
【公開日】令和3年1月28日(2021.1.28)
【発明の名称】撮影レンズおよび撮像装置

Embodiment 1
Focal length: 92.6989, 36.6463 mm (INF, β=1.01)
F number: 2.8801, 5.7890 (INF, β=1.01)
Half angle of view: 12.8942, 9.5622 (INF, β=1.01)
MOD: 105.4453 mm


Embodiment 5
Focal length: 87.2998, 34.1392 mm (INF, β=1.01)
F number: 2.8798, 5.7893 (INF, β=1.01)
Half angle of view: 13.4082, 9.2930 (INF, β=1.01)
MOD: 107.4033 mm



Standard Zoom
【公開番号】特開2021-9217(P2021-9217A) click here
【公開日】令和3年1月28日(2021.1.28)
【発明の名称】ズームレンズ及び撮像装置

Embodiment 2: 24-70mm F4
Focal length: 24.714 40.968 67.899 mm
F number: 4.100 4.100 4.100
Half angle of view: 42.458 27.220 17.161

An Interchangeable-Lens Handy Gimbal Camera from CANON

CANON filed a patent of an interchangeable-lens gimbal camera.
In this patent, sensor size is not documented and a gimbal system is passive.

【公開番号】特開2021-4930(P2021-4930A) click here
【公開日】令和3年1月14日(2021.1.14)
【発明の名称】撮像装置および撮影レンズ

28-200mm F3.4-5.6 for 35mm full-frame mirrorless cameras from SIGMA

SIGMA filed a patent of various 28-200mm zoom lenses for 35mm full-frame mirrorless cameras.

【公開番号】特開2020-204684(P2020-204684A) click here
【公開日】令和2年12月24日(2020.12.24)
【発明の名称】ズームレンズ

Embdiment 1
Zoom ratio: 7.14
Focal length: 27.99 71.70 199.93 mm
F number: 3.37 4.67 5.60
Angle of view: 78.26 32.06 11.77
Image height: 21.63 21.63 21.63 mm
Lens length: 144.99 161.09 220.98 mm

DG DN standard zoom lenses from SIGMA

SIGMA filed a patent for standard zoom lenses for 35mm full-frame mirrorless cameras.

【公開番号】特開2020-197597(P2020-197597A) click here
【公開日】令和2年12月10日(2020.12.10)
【発明の名称】ズームレンズ

Embodiment 1: 28-70mm F2.8
Zoom ratio: 2.50
Focal length: 28.95 45.80 72.45 mm
F number: 2.93 2.91 2.92
Angle of view: 75.04 49.23 31.7
Image height: 21.63 21.63 21.63 mm
Lens length: 134.00 140.25 154.38 mm


Embodiment 2: 28-100mm F4
Zoom ratio: 3.50
Focal length: 28.95 54.22 101.44 mm
F number: 2.84 3.41 4.17
Angle of view: 75.13 41.46 23.0
Image height: 21.63 21.63 21.63
Lens length: 128.00 149.19 175.91 mm


Embodiment 3: 24-100mm F4
Zoom ration: 4.09
Focal length: 24.82 50.22 101.44 mm
F number: 4.14 4.12 4.13
Angle of view: 84.93 44.15 23.0
Image height: 21.63 21.63 21.63 mm
Lens length: 128.00 155.38 194.18 mm


Embodiment 4: 20-80mm F4
Zoom ratio: 3.97
Focal length: 20.70 41.23 82.11 mm
F number: 4.14 4.13 4.14
Angle of view: 98.46 53.32 28.2
Image height: 21.63 21.63 21.63 mm
Lens length: 127.11 153.18 194.37 mm


Embodiment 5: 28-70mm F2.8
Zoom ratio: 2.50
Focal length: 28.95 45.80 72.45 mm
F number: 2.92 2.91 2.92
Angle of view: 74.70 48.97 31.7
Image height: 21.63 21.63 21.63 mm
Lens length: 134.00 144.45 159.46 mm


Embodiment 6: 24-100mm F4
Zoom ratio: 4.09
Focal length: 24.82 50.22 101.44 mm
F number: 4.13 4.14 4.14
Angle of view: 86.29 44.88 23.0
Image height: 21.63 21.63 21.63 mm
Lens length: 128.00 161.12 208.29 mm

RF cinema lens 18-55mm F2

CANON filed a patent of 18 - 55 mm f/2 cinema lenses for mirrorless cameras.

Embodiment 1: CN-RF18-55mm F2 (T2.2?)
Zoom ratio: 2.97
Focal length; 18.51 34.71 55.00 mm
F number: 2.06 2.06 2.06
Half angle of view: 37.10 21.97 14.28
Image height: 14.00 14.00 14.00 mm
Lens length: 250.01 250.01 250.01 mm
Back focus: 12.95 12.95 12.95 mm

Cinema lens for Super35 format from KONICA MINOLTA

KONICA MINOLTA filed a patent of 16-32mm F2 for Super35 format cinema cameras.

【公開番号】特開2020-190679(P2020-190679A)
【公開日】令和2年11月26日(2020.11.26)
【発明の名称】ズームレンズ、撮像光学装置およびデジタル機器

Embodiment 1: ARRI Signature Zoom SZ 16-32 mm?
Zoom ratio: 1.97
Focal length: 16.149 22.712 31.839 mm
F number: 2.000 2.000 2.000
Half angle of view: 41.326 32.014 24.036
Image height: 14.200 14.200 14.200 mm
Lens length: 191.408 193.151 203.700 mm
Back focus: 37.853 37.853 37.853 mm

RF15-35mm F4

CANON filed a patent of 15-35mm F4 for 35mm full-frame mirrorless cameras.

【公開番号】特開2020-190636(P2020-190636A) click here
【公開日】令和2年11月26日(2020.11.26)
【発明の名称】ズームレンズおよびそれを有する撮像装置

Embodiment 1
Zoom ration: 2.20
Focal length: 15.45 24.00 33.95 mm
F number: 4.12 4.12 4.12
Half amgle of view: 54.47 42.03 32.51
Image height: 21.64 21.64 21.64 mm
Lens length: 142.07 135.07 138.26 mm
Back focus: 14.80 23.82 35.39 mm

9mm F1.8 for 1.0-type sensor from TAMRON

TAMRON filed a patent of 9 mm f/1.8 prime lenses for 1.0-type sensor cameras on drone and/or smartphone.

【公開番号】特開2020-187181(P2020-187181A) click here
【公開日】令和2年11月19日(2020.11.19)
【発明の名称】結像光学系及び撮影装置

Embodiment 1
Focal length: 9.0610 mm
F number: 1.8712
Half angle of view: 39.6731