A lens we all expect to see from Sigma sooner or later has finally appeared in a patent. It looks like we’ll be seeing a 24-70mm f/2.8 DG OS HSM Art some time in 2016.

Patent Publication No. 2016-38502 (Google Translated)

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

If Sigma releases a 24-70 f/2.8 OS Art series lens along with the much hyped 85mm f/1.4 Art in 2016, there will be a lot of happy photographers.