Sigma 12mm f/2.8 Patent: Full-Frame Lens

• 6 years ago

Sigma has a new patent P2018-189733A for 12mm f/2.8 full-frame lens:

• Focal length: 12.42 mm
• F number: 2.93
• Angle of view: 120.49
• Image height: 21.63 mm
• Lens length: 169.4 mm

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