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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

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