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