Canon Patent: RF 85mm f/1.4L USM Lens

Canon has filed a new lens patent for the RF 85mm f/1.4L USM Lens for Canon full-frame mirrorless cameras. Take a look at the patent details below:

[Publication number] JP 2021-81531(P2021-81531A)
[Publication date] May 27, 2021
[Patent application title] Optical system and imaging device

Embodiment 1
Focal length (mm): 82.87
F number: 1.45
Half angle of view (degree): 14.63
Image height (mm): 21.64
Lens length (mm): 126.50
Back focus (mm): 13.00

Embodiment 2
Focal length (mm): 82.86
F number: 1.45
Half angle of view (degree): 14.63
Image height (mm): 21.64
Lens length (mm): 128.50
Back focus (mm): 17.13

Embodiment 3
Focal length (mm): 82.64
F number: 1.45
Half angle of view (degree): 14.67
Image height (mm): 21.64
Lens length (mm): 113.70
Back focus (mm): 18.16

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Via: Hi-lows-note