Sigma already announced 20mm f/1.4 DG HSM Art lens in October, 2015. Also at the time of its announcement there was also expectation that Sigma will also announce the Sigma 24-70mm f/2.8 DG OS HSM Art Lens.
Now after five months, there is expectation that Sigma is in the process of announcement of the upcoming Sigma Art 24-70mm f/2.8 DG OS HSM Lens and hence in this regard it filed the patent of this particular lens.
The details of the patent:-
- Patent Publication No. 2016-38502
- Published 2016.3.22
- Filing date 2014.8.8
- Zoom ratio 2.74
- Wide-angle intermediate telephoto
- Focal length 24.85 50.00 68.00
- F-number 2.92 2.92 2.93
- Full angle of view 2ω 83.71 45.71 34.33
- The image height Y 21.63 21.63 21.63
- The total lens length 150.73 167.12 178.30
It is expected that it will be announced in the upcoming event of Photokina 2016.
Proceed with us for more information.