Sigma 18-35mm f/1.8 DC HSM lens leaked? *UPDATED*



The Czech website Digiarena published a picture of a soon to be announced Sigma 18-35mm f/1.8 DC HSM lens. No other details are available at that point. This of course could be just another late April's fool joke. What do you guys think?

Update: this may actually be true, here are some detailed specs on the new lens from Fotoradce: