Canon RF Patents: 22mm, 24mm, 33mm & 35mm f/1.4 Lenses

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Canon filed a patent discussing optical designs of RF 22mm f/1.4L, 24mm f/1.4L, 33mm f/1.4L and 35mm f/1.4L USM lenses for Canon full frame mirrorless cameras.

[Publication number] JP 2021-113905 (P2021-113905A)
[Publication date] August 5, 2021
[Patent application title] Optical system and imaging device

Embodiment 1
FOCAL LENGTH (MM): 35.00
F NUMBER: 1.42
HALF ANGLE OF VIEW (DEGREE): 31.73
IMAGE HEIGHT (MM): 21.64
LENS LENGTH (MM): 126.05
BACK FOCUS (MM): 11.06

Embodiment 2
FOCAL LENGTH (MM): 35.00
F NUMBER: 1.42
HALF ANGLE OF VIEW (DEGREE): 31.72
IMAGE HEIGHT (MM): 21.64
LENS LENGTH (MM): 128.31
BACK FOCUS (MM): 11.06

Embodiment 3
FOCAL LENGTH (MM): 34.99
F NUMBER: 1.43
HALF ANGLE OF VIEW (DEGREE): 31.73
IMAGE HEIGHT (MM): 21.64
LENS LENGTH (MM): 123.63
BACK FOCUS (MM): 11.06

Embodiment 4
FOCAL LENGTH (MM): 24.17
F NUMBER: 1.42
HALF ANGLE OF VIEW (DEGREE): 41.83
IMAGE HEIGHT (MM): 21.64
LENS LENGTH (MM): 124.64
BACK FOCUS (MM): 11.06

Embodiment 5
FOCAL LENGTH (MM): 33.11
F NUMBER: 1.42
HALF ANGLE OF VIEW (DEGREE): 33.17
IMAGE HEIGHT (MM): 21.64
LENS LENGTH (MM): 126.01
BACK FOCUS (MM): 11.06

Embodiment 6
FOCAL LENGTH (MM): 33.03
F NUMBER: 1.42
HALF ANGLE OF VIEW (DEGREE): 33.23
IMAGE HEIGHT (MM): 21.64
LENS LENGTH (MM): 125.39
BACK FOCUS (MM): 11.06

Embodiment 7
FOCAL LENGTH (MM): 34.99
F NUMBER: 1.43
HALF ANGLE OF VIEW (DEGREE): 31.73
IMAGE HEIGHT (MM): 21.64
LENS LENGTH (MM): 122.18
BACK FOCUS (MM): 11.06

Embodiment 8
FOCAL LENGTH (MM): 22.00
F NUMBER: 1.42
HALF ANGLE OF VIEW (DEGREE): 44.52
IMAGE HEIGHT (MM): 21.64
LENS LENGTH (MM): 125.60
BACK FOCUS (MM): 11.06

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