Several weeks ago, Sigma Japan has filed a new lens patent on Sigma 24-70mm f/2.8 DG OS HSM Art Lens, now Sigma Japan filed another lens patent: the Sigma Sports 70-200mm f/2.8 DG OS HSM lens. Seems this two new zoom lenses will be announced together in next few months, maybe at Photokina 2016 in September.
Patent Publication No. 2016-75828
- Published 2016.5.12
- Filing date 2014.10.8
- Zoom ratio 2.67
- Focal length 72.41 118.50 193.38
- F-number 2.92 2.92 2.92
- Full angle of view 2ω 33.58 20.51 12.56
- The image height Y 21.63 21.63 21.63
- The total lens length 250.00 250.00 250.00
via: EG
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