Sigma L-mount Lens Patents: 16mm f/2, 18mm f/1.8 & f/2, 20mm f/1.8, 24mm f/1.8, 28mm f/1.8, 34mm f/1.8

Sigma has filed a list new wide-angle prime L-mount lenses today. They are 16mm f/2 DG DN, 18mm f/1.8 DG DN, 18mm f/2 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. You can take a look at details of these L-mount lens patents:

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
JPA 502016755_i_000004.jpg

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
JPA 502016755_i_000009.jpg

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
JPA 502016755_i_000014.jpg

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
JPA 502016755_i_000019.jpg

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
JPA 502016755_i_000024.jpg

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
JPA 502016755_i_000029.jpg

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

JPA 502016755_i_000034.jpgvia: Hi Lows Note