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

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
JPA 503167921_i_000019.jpg

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
JPA 503167921_i_000011.jpg
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共通テーマ:趣味・カルチャー

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

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
JPA 503165807_i_000003.jpg

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
JPA 503165807_i_000008.jpg

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
JPA 503165807_i_000013.jpg

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
JPA 503165807_i_000018.jpg

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
JPA 503165807_i_000023.jpg
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共通テーマ:趣味・カルチャー

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

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
JPA 503162805_i_000013.jpg

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
JPA 503162805_i_000015.jpg

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
JPA 503162805_i_000023.jpg

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
JPA 503162805_i_000025.jpg

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
JPA 503162805_i_000027.jpg

For comment: hi-low@twitter
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共通テーマ:趣味・カルチャー

RF 28-70mm F2.8 and 28-86mm F2.8-5.6 [Patent]

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
JPA 503156963_i_000004.jpg

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
JPA 503156963_i_000006.jpg

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
JPA 503156963_i_000008.jpg

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
JPA 503156963_i_000010.jpg

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
JPA 503156963_i_000012.jpg

For comment: hi-low@twitter
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共通テーマ:趣味・カルチャー

RF 140mm, 180mm, 200mm F3.5 MACRO [Patent]

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
JPA 503152568_i_000004.jpg

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
JPA 503152568_i_000006.jpg

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
JPA 503152568_i_000008.jpg

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
JPA 503152568_i_000010.jpg

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
JPA 503152568_i_000012.jpg

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
JPA 503152568_i_000014.jpg

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
JPA 503152568_i_000016.jpg
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共通テーマ:趣味・カルチャー