Sigma Patents: 16mm, 18mm, 20mm, 24mm, 28mm, 34mm Lenses

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Sigma has filed 7 new patents for 16mm f/2 DG DN, 18mm f/1.8 DG DN, 18mm f/2.8 DG DN, 20mm f/1.8 DG DN, 24mm f/1.8 DG DN, 28mm f/1.8 DG DN & 34mm f/1.8 DG DN lenses, which are designed for Sony E-mount mirrorless camera. Take a look at the patent details below:

【Publication number】 JP 2020-16755 (P2020-16755A)
【Release date】 January 30, 2020
【Patent application title】 Imaging optical system

Embodiment 1: 34mm F1.8 DG DN
Focal length: 33.99 mm
F number: 1.85
Angle of view: 67.63
Image height: 21.63 mm
Lens length: 100.00 mm

Embodiment 2: 28mm F1.8 DG DN
Focal length: 27.99 mm
F number: 1.85
Angle of view: 78.24
Image height: 21.63 mm
Lens length: 95.01 mm

Embodiment 3: 24mm F1.8 DG DN
Focal length: 24.00 mm
F number: 1.86
Angle of view: 90.09
Image height: 21.63 mm
Lens length: 90.00 mm

Embodiment 4: 20mm F1.8 DG DN
Focal length: 20.59 mm
F number: 1.86
Angle of view: 98.81
Image height: 21.63 mm
Lens length: 100.00 mm

Embodiment 5: 18mm F1.8 DG DN
Focal length: 18.60 mm
F number: 1.87
Angle of view: 104.50
Image height: 21.63 mm
Lens length: 100.03 mm

 

Embodiment 6: 16mm F2 DG DN
Focal length: 16.54 mm
F number: 2.06
Angle of view: 110.91
Image height: 21.63 mm
Lens length: 104.04 mm

 

Embodiment 7: 18mm F2.8 DG DN
Focal length: 18.60 mm
F number: 2.90
Angle of view: 104.53
Image height: 21.63 mm
Lens length: 80.00 mm

Via: Hi-lows-note