Back in 2016, Sigma Japan has filed a lens patent for the Sigma 200mm f/2 DG OS Sports lens. Now according to latest rumors, this Sigma 200mm f/2 lens patent could be for Sony E-mount. The new Sigma 200mm f/2 DG DN OS Sports lens for Sony E-mount may coming in 2021. Stay tuned for more info.
- Patent Publication No. 2016-45314
- Published 2016.4.4
- Filing date 2014.8.21
- The master lens
- Focal length 194.93
- F-number 2.05
- Full angle of view 2ω 12.70
- The image height Y 21.63
- Overall length of the lens 231.33
- BF 60.2233
- Complex lens
- Focal length 274.52
- F-number 2.89
- Full angle of view 2ω 9.06
- The image height Y 21.63
- Overall length of the lens 252.18
- BF 39.5088