UPDATED: Many leaked images of the upcoming Sigma 28-105mm f/2.8 FE lens
Here is one more leaked image of the upcoming Sigma 28-105mm f/2.8 FE lens. You can see the size comparison with the Sigma 10-18mm lens. Like I told you before this lens will be announced on September 5, 82mm filter size, 990g weight, E and L-mount version expected.
UPDATE: New leaked images: