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:
Designed for APS-C based DSLR cameras
Ultrasonic autofocus (HSM)
9 aperture blades
Type A (Art), which guarantees quality materials, metal bayonet