Sigma new Lens patent surfaced over the web, the lens patent is of 120-600mm lens. This lens may add a new dimension in Sigma Sports series.
- Patent Publication No. 2015-203827
- Published 2015.11.16
- Filing date 2014.4.16
- Example
- Zoom ratio 4.66
- Focal length 125.15 250.18 583.80
- F number 4.86 5.84 6.50
- Total angle of view 2ω 19.47 9.76 4.18
- The image height Y 21.63
- Overall length of the lens 314.20 371.31 424.96
source – Egami
