Patent: Canon RF 35mm, 28mm & 24mm f/1.2L Lenses

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Canon filed a patent discussing optical designs of RF 35mm f/1.2L, 35mm f/1.4L, 28mm f/1.2L and 24mm f/1.2L for Canon full frame mirrorless cameras.

[Publication number] JP 2021-92694(P2021-92694A)
[Publication date] June 17, 2021
[Patent application title] Optical system and imaging device

Embodiment 1: RF 35mm F1.2
Focal lenth (mm): 34.00
F number: 1.24
Half angle of view (degree): 32.47
Image height (mm): 21.64
Lens length (mm): 154.96
Back focus (mm): 17.05

Embodiment 2: RF 35mm F1.4
Focal lenth (mm): 34.00
F number: 1.45
Half angle of view (degree): 32.47
Image height (mm): 21.64
Lens length (mm): 125.96
Back focus (mm): 12.96

Embodiment 3: RF 28mm F1.2
Focal lenth (mm): 27.15
F number: 1.24
Half angle of view (degree): 38.55
Image height (mm): 21.64
Lens length (mm): 146.96
Back focus (mm): 13.45

Embodiment 4: RF 24mm F1.2
Focal lenth (mm): 24.74
F number: 1.24
Half angle of view (degree): 41.17
Image height (mm): 21.64
Lens length (mm): 143.97
Back focus (mm): 13.45

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Via: Hi-lows-note