Zoom lenses for a m4/3 sensor from CANON

CANON filed a patent describing zoom lenses for m4/3 sensor mirrorless cameras.

【公開番号】特開2021-183997(P2021-183997A) click here
【公開日】令和3年12月2日(2021.12.2)
【発明の名称】ズームレンズおよび撮像装置

Embodiment 1
Zoom ratio: 9.70
Focal length (mm): 17.51 87.85 169.87
F number: 2.27 4.40 4.63
Half angle of view (degree): 31.70 7.02 3.64
Image height (mm): 10.82 10.82 10.82
Lens length (mm): 129.45 129.45 129.45
Back focus (mm): 21.20 11.01 6.13


Embodiment 2
Zoom ratio: 19.70
Focal length (mm): 14.26 117.92 280.89
F number: 2.88 5.38 5.77
Half angle of view (degree): 37.19 5.24 2.21
Image height (mm): 10.82 10.82 10.82
Lens length (mm): 181.14 181.14 181.14
Back focus (mm): 19.35 10.59 6.46


Embodiment 3
Zoom ratio: 9.70
Focal length (mm): 14.43 75.84 139.93
F number: 1.85 4.80 5.15
Half angle of view (degree): 36.86 8.12 4.42
Image height (mm): 10.82 10.82 10.82
Lens length (mm): 156.33 156.33 156.33
Back focus (mm): 19.33 8.31 6.13


Embodiment 4
Zoom ratio: 14.55
Focal length (mm): 8.77 65.57 127.58
F number: 2.88 4.90 4.63
Half angle of view (degree): 36.33 6.45 3.32
Image height (mm): 6.45 7.41 7.41
Lens length (mm): 124.59 124.59 124.59
Back focus (mm): 18.01 6.17 6.17


Embodiment 5
Zoom ratio: 4.60
Focal length (mm): 17.51 53.31 80.54
F number: 2.27 3.00 3.38
Half angle of view (degree): 31.71 11.47 7.65
Image height (mm): 10.82 10.82 10.82
Lens length (mm): 129.35 129.35 129.35
Back focus (mm): 24.93 10.99 6.14

RF 17-60mm, 17-70mm, 17-85mm, F4-5.6 from CANON

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

【公開番号】特開2021-182053(P2021-182053A)　click here
【公開日】令和3年11月25日(2021.11.25)
【発明の名称】ズームレンズおよび撮像装置

Embodiment 1
Focal length (mm): 17.50 28.00 58.00
F number: 4.10 4.50 5.70
Half angle of view (degree): 51.50 38.16 20.77
Maximum image height (mm): 22.00 22.00 22.00
Image height (mm): 19.47 20.98 21.94
Lens length (mm): 108.50 114.27 158.50
BF (mm): 21.38 33.45 49.01


Embodiment 2
Focal length (mm): 17.50 35.00 68.00
F number: 4.10 4.50 5.70
Half angle of view (degree): 51.50 32.15 17.93
Maximum image height (mm): 22.00 22.00 22.00
Image height (mm): 19.43 21.75 22.10
Lens length (mm): 123.50 130.13 173.50
BF (mm): 18.27 33.13 42.65


Embodiment 3
Focal length (mm): 17.50 40.00 83.50
F number: 4.10 4.50 5.70
Half angle of view (degree): 51.50 28.81 14.76
Maximum image height (mm): 22.00 22.00 22.00
Image height (mm): 19.43 22.05 22.41
Lens length (mm): 130.50 135.64 183.50
BF (mm): 14.89 34.26 43.12


Embodiment 4
Focal length (mm): 17.50 35.00 68.00
F number: 4.10 4.50 5.70
Half angle of view (degree): 51.50 32.15 17.93
Maximum image height (mm): 22.00 22.00 22.00
Image height (mm): 19.39 21.53 22.27
Lens length (mm): 126.50 125.61 176.50
BF (mm): 14.57 27.63 38.40

RF 28-70mm F2.8 and 28-60mm F4 from CANON

CANON filed a patent discussing 28-70mm F2.8 and 28-60mm F4 for 35mm full-frame mirrorless cameras.

【公開番号】特開2021-179550(P2021-179550A)　click here
【公開日】令和3年11月18日(2021.11.18)
【発明の名称】ズームレンズ及びそれを有する撮像装置

Embodiment 1
Zoom ratio: 2.35
Focal length (mm): 28.84 39.89 67.90
F number: 2.91 2.91 2.91
Half angle of view (degree): 32.65 28.06 17.67
Image height (mm): 21.64 21.64 21.64
Lens length (mm): 149.46 133.18 115.94
Back focus (mm): 13.48 19.38 27.78


Embodiment 2
Zoom ratio: 2.35
Focal length (mm): 28.84 39.96 67.90
F number: 2.91 2.91 2.91
Half angle of view (degree): 32.68 27.27 17.67
Image height (mm): 18.50 20.60 21.64
Lens length (mm): 152.91 136.27 115.98
Back focus (mm): 13.50 19.41 26.94


Embodiment 3
Zoom ratio: 2.08
Focal length (mm): 28.84 33.20 60.00
F number: 4.12 4.12 4.12
Half angle of view (degree): 32.68 31.82 19.83
Image height (mm): 18.50 20.60 21.64
Lens length (mm): 141.33 130.27 104.61
Back focus (mm): 19.70 21.65 35.51


Embodiment 4
Zoom ratio: 2.35
Focal length (mm): 28.84 37.16 67.90
F number: 2.91 2.91 2.91
Half angle of view (degree): 32.68 29.00 17.67
Image height (mm): 18.50 20.60 21.64
Lens length (mm): 121.04 110.42 101.92
Back focus (mm): 9.97 13.25 25.53


Embodiment 5
Zoom ratio: 2.35
Focal length (mm): 28.84 39.87 67.90
F number: 2.91 2.91 2.91
Half angle of view (degree): 32.65 28.07 17.67
Image height (mm): 21.64 21.64 21.64
Lens length (mm): 146.19 132.32 116.42
Back focus (mm): 14.84 20.01 28.77

The patent of NOKTON F0.95 and F0.8 lenses for m4/3 from COSINA

COSINA filed the patent of NOKTON F0.95 and F0.8 lenses for 4/3 sensor in mirrorless cameras.

【公開番号】特開2021-173954(P2021-173954A) click here
【公開日】令和3年11月1日(2021.11.1)
【発明の名称】大口径撮像レンズ

Embodiment 7
Focal length (mm): 25.00
F number: 0.84
Half angle of view (degree): 23.90

37mm F2.5 for medium format mirrorless cameras from HASSELBLAD

VICTOR HASSELBLAD AB filed a patent discussing 37mm f/2.5 for medium format mirrorless cameras.

【公開番号】特開2021-173860(P2021-173860A) click here
【公開日】令和3年11月1日(2021.11.1)
【発明の名称】レンズ系及び撮像装置
【氏名又は名称原語表記】ＶＩＣＴＯＲ ＨＡＳＳＥＬＢＬＡＤ ＡＢ
【発明者】 明石誉貴 大畑篤 (Both of the inventors are Japanese.)

Embodiment 1



Embodiment 2



Embodiment 3



Camera body

33mm F0.94 for APS-C sensor from CANON

CANON filed a patent describing a focal reducer making 33mm F0.94 lens for APS-C sensor from 50mm F1.4 for 35mm full-frame sensor.

【公開番号】特開2021-167921(P2021-167921A) click here
【公開日】令和3年10月21日(2021.10.21)
【発明の名称】縮小光学系および撮像装置

Master lens
Focal length (mm): 51.46
F number: 1.45
Half angle of view (degree): 22.80
Image height (mm): 21.64
Lens length (mm): 94.41
Back focus (mm): 39.81


With embodiment 4
Focal length (mm): 33.45
F number: 0.94
Half angle of view (degree): 22.42
Image height (mm): 13.80
Lens length (mm): 91.91
Back focus (mm): 9.73

24mm F1.8, 28mm F2, 35mm F2, and 50mm F2 from SIGMA

SIGMA filed a patent discussing 24mm F1.8, 28mm F2, 35mm F2, and 50mm F2 for 35mm full-frame mirrorless cameras.

【公開番号】特開2021-165807(P2021-165807A) click here
【公開日】令和3年10月14日(2021.10.14)
【発明の名称】結像光学系

Embodiment 1
Focal length (mm): 33.81
F number: 2.07
Angle of view (degree): 66.94
Image height (mm): 21.63
Lens length (mm): 79.15
Back focus (mm): 17.8978


Embodiment 2
Back focus (mm): 35.99
F number: 2.07
Angle of view (degree): 63.53
Image height (mm): 21.63
Lens length (mm): 79.15
Back focus (mm): 17.8981


Embodiment 3
Back focus (mm): 50.00
F number: 2.08
Angle of view (degree): 46.01
Image height (mm): 21.63
Lens length (mm): 84.36
Back focus (mm): 17.8985


Embodiment 4
Back focus (mm): 28.00
F number: 2.05
Angle of view (degree): 78.03
Image height (mm): 21.63
Lens length (mm): 74.15
Back focus (mm): 24.4448


Embodiment 5
Back focus (mm): 24.00
F number: 1.86
Angle of view (degree): 63.73
Image height (mm): 14.20
Lens length (mm): 64.15
Back focus (mm): 17.8982

Wide-angle lens (24mm equivalent with 35mm full-frame sensor) for 1 inch-type sensor cameras on a smartphone

KANTATSU filed a patent describing wide-angle lenses for 1 inch-type sensor cameras on a smart-phone.

【公開番号】特開2021-162805(P2021-162805A) click here
(43)【公開日】令和3年10月11日(2021.10.11)
(54)【発明の名称】撮像レンズ

Embodiment 1
Focal length (mm): 6.89
F number: 1.95
Half angle of view (degree): 42.5
Image height (mm): 6.25
Lens length (mm): 7.43


Embodiment 2
Focal length (mm): 6.70
F number: 1.90
Half angle of view (degree): 42.6
Image height (mm): 6.25
Lens length (mm): 7.43


Embodiment 6
Focal length (mm): 6.73
F number: 1.90
Half angle of view (degree): 42.6
Image height (mm): 6.25
Lens length (mm): 7.43


Embodiment 7
Focal length (mm): 6.68
F number: 1.95
Half angle of view (degree): 42.9
Image height (mm): 6.25
Lens length (mm): 7.42


Embodiment 8
Focal length (mm): 6.78
F number: 1.95
Half angle of view (degree): 42.5
Image height (mm): 6.25
Lens length (mm): 7.46


For comment: hi-low@twitter

RF 28-70mm F2.8 and 28-86mm F2.8-5.6

CANON filed a patent discussing 28-70mm F2.8 and 28-86mm F2.8-5.6 for 35mm full-frame mirrorless cameras.

【公開番号】特開2021-156963(P2021-156963A) click here
【公開日】令和3年10月7日(2021.10.7)
【発明の名称】ズームレンズおよび撮像装置

Embodiment 1
Zoom ratio: 2.35
Focal length (mm): 28.84 36.81 67.90
F number: 2.91 2.91 2.91
Half angle of view (degree): 32.68 29.23 17.67
Image height (mm): 18.50 20.60 21.64
Lens length (mm): 117.09 109.31 101.58
Back focus (mm): 9.99 13.47 21.59


Embodiment 2
Zoom ratio: 2.35
Focal length (mm): 28.84 37.17 67.90
F number: 2.91 2.91 2.91
Half angle of view (degree): 32.65 28.90 17.67
Image height (mm): 21.64 21.64 21.64
Lens length (mm): 132.62 122.81 111.18
Back focus (mm): 21.92 26.79 39.84


Embodiment 3
Zoom ratio: 2.35
Focal length (mm): 28.84 37.76 67.90
F number: 2.91 2.91 2.91
Half angle of view (degree): 32.65 28.52 17.67
Image height (mm): 21.64 21.64 21.64
Lens length (mm): 145.96 132.92 114.12
Back focus (mm): 24.12 30.24 43.27


Embodiment 4
Zoom ratio: 2.35
Focal length (mm): 28.84 38.11 67.90
F number: 2.91 2.91 2.91
Half angle of view (degree): 32.64 27.97 17.59
Image height (mm): 21.64 21.64 21.64
Lens length (mm): 158.97 140.28 124.83
Back focus (mm): 11.36 16.01 33.05


Embodiment 5
Zoom ratio: 2.99
Focal length (mm): 28.84 36.43 86.18
F number: 2.91 3.50 5.60
Half angle of view (degree): 32.64 28.55 14.09
Image height (mm): 21.64 21.64 21.64
Lens length (mm): 156.45 143.53 123.40
Back focus (mm): 7.83 12.26 26.55


For comment: hi-low@twitter

RF 140mm, 180mm, 200mm F3.5 MACRO

CANON filed a patent describing 140mm, 180mm, 200mm F3.5 macro lenses for 35mm full-frame sensor cameras.

【公開番号】特開2021-152568(P2021-152568A) click here
【公開日】令和3年9月30日(2021.9.30)
【発明の名称】光学系および撮像装置

Embodiment 1
Focal length (mm): 171.00
Ｆ number 3.50
Half angle of view (degree): 7.21
Image height (mm): 21.64
Lens length (mm): 194.49
BACK FOCUS (MM): 47.67


Embodiment 2
Focal length (mm): 174.43
Ｆ number 3.50
Half angle of view (degree): 7.07
Image height (mm): 21.64
Lens length (mm): 189.49
BACK FOCUS (MM): 13.73


Embodiment 3
Focal length (mm): 185.40
Ｆ number 3.50
Half angle of view (degree): 6.66
Image height (mm): 21.64
Lens length (mm): 197.49
BACK FOCUS (MM): 33.39


Embodiment 4
Focal length (mm): 172.00
Ｆ number 3.50
Half angle of view (degree): 7.17
Image height (mm): 21.64
Lens length (mm): 201.89
BACK FOCUS (MM): 31.33


Embodiment 5
Focal length (mm): 176.60
Ｆ number 3.50
Half angle of view (degree): 6.98
Image height (mm): 21.64
Lens length (mm): 192.79
BACK FOCUS (MM): 49.08


Embodiment 6
Focal length (mm): 140.00
Ｆ number 3.50
Half angle of view (degree): 8.78
Image height (mm): 21.64
Lens length (mm): 177.49
BACK FOCUS (MM): 35.17


Embodiment 7
Focal length (mm): 194.00
Ｆ number 4.00
Half angle of view (degree): 6.36
Image height (mm): 21.64
Lens length (mm): 202.49
BACK FOCUS (MM): 39.36