Sigma Patents: 50mm f/1.2, 40mm f/1.2 and 35mm f/1.2 for Sony E-mount
Sigma has filed three new patents for 50mm f/1.2, 40mm f/1.2 and 35mm f/1.2 DG DN Art Lenses, which are designed for Sony E-mount mirrorless camera. Take a look at the patent details below:
Sigma 50mm f/1.2 DG DN Art Lens
50 mm, f/1.2 Specification and lens arrangement of embodiment 1
Focal length: 50.99 mm
F no: 1.25
2ω : 45.97
Image height: 21.63 mm
Lens length: 154.20 mm
Sigma 40mm f/1.2 DG DN Art Lens
40 mm, f/1.2 Specification and lens arrangement of embodiment 4
Focal length: 41.35 mm
F no: 1.26
2ω : 57.17
Image height: 21.63 mm
Lens length: 157.00 mm
Sigma 35mm f/1.2 DG DN Art Lens
35 mm, f/1.2 Specification and lens arrangement of embodiment 6
Focal length: 35.99 mm
F no: 1.26
2ω : 64.62
Image height: 21.63 mm
Lens length: 140.00 mm
Via: Hi-Lows-Note