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RF 72-200mm F2.8, F3.5 and 80-235mm F3.5 from CANON [Patent]

CANON filed a patent describing 72-200mm F2.8 and 80-230mm F3.5 for 35mm full-frame mirrorless cameras.

【公開番号】特開2022-29115(P2022-29115A) click here
【公開日】令和4年2月17日(2022.2.17)
【発明の名称】ズームレンズ及びそれを有する撮像装置、撮像システム

Embodiment 1
Zoom ratio: 2.69
Focal length (mm): 72.00 110.00 194.00
F number: 2.92 2.92 2.92
Half angel of view (degree): 16.72 11.13 6.36
Image height (mm): 21.64 21.64 21.64
Lens length (mm): 185.00 214.01 255.23
Back focus (mm): 16.68 30.41 70.96
JPA 504029115_i_000004.jpg

Embodiment 2
Zoom ratio: 2.69
Focal length (mm): 72.00 110.00 194.00
F number: 3.50 3.50 3.50
Half angel of view (degree): 16.72 11.13 6.36
Image height (mm): 21.64 21.64 21.64
Lens length (mm): 185.00 217.10 255.16
Back focus (mm): 15.63 28.62 65.11
JPA 504029115_i_000006.jpg

Embodiment 3
Zoom ratio: 2.90
Focal length (mm): 80.29 138.38 232.85
F number: 3.50 3.50 3.50
Half angel of view (degree): 15.08 8.89 5.31
Image height (mm): 21.64 21.64 21.64
Lens length (mm): 222.75 274.06 325.37
Back focus (mm): 11.49 38.70 64.12
JPA 504029115_i_000008.jpg

Embodiment 4
Zoom ratio: 2.50
Focal length (mm): 77.39 119.98 193.47
F number: 3.00 3.00 3.00
Half angel of view (degree): 15.62 10.22 6.38
Image height (mm): 21.64 21.64 21.64
Lens length (mm): 190.54 228.12 264.64
Back focus (mm): 29.21 40.03 78.23
JPA 504029115_i_000010.jpg

Embodiment 5
Zoom ratio: 2.69
Focal length (mm): 72.00 110.00 194.00
F number: 2.92 2.92 2.92
Half angel of view (degree): 16.72 11.13 6.36
Image height (mm): 21.64 21.64 21.64
Lens length (mm): 190.00 223.52 260.10
Back focus (mm): 15.90 29.88 66.16
JPA 504029115_i_000012.jpg

Embodiment 6
Zoom ratio: 2.69
Focal length (mm): 72.00 110.00 194.00
F number: 2.92 2.92 2.92
Half angel of view (degree): 16.72 11.13 6.36
Image height (mm): 21.64 21.64 21.64
Lens length (mm): 183.50 214.21 253.53
Back focus (mm): 13.22 13.22 13.22
JPA 504029115_i_000014.jpg
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