Sigma patented thee new FE primes: 12mm f/2.8, 14mm f/2.0 and 14mm f/2.8

Hi Lows Note spotted a new Sigma patent describing three new Full Frame lenses designed for mirrorless system cameras:

Design 1
Focal length: 12.40 mm
F number: 2.93
Angle of view: 122.09
Image height: 21.63 mm
Lens length: 138.00 mm
Back focus: 20.6500 mm

Design 2
Focal length: 14.48 mm
F number: 2.07
Angle of view: 114.25
Image height: 21.63 mm
Lens length: 136.00 mm
Back focus: 20.5832 mm

Design 3
Focal length: 14.48 mm
F number: 2.91
Angle of view: 114.26
Image height: 21.63 mm
Lens length: 120.00 mm
Back focus: 20.4000 mm

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