Good News, Sigma is working on ultra wide angle ART lenses, the first upcoming ultra wide angle lens name not revealed yet but according to the rumor mills Sigma may announce 12-24mm f/4.5-5.6 DG Lens, let’s hope for the best and stay with us for latest updates and rumors.
Other Sigma rumors
Sigma 24-105mm f/4 DG OS Lens production will be restarted in late 2015, the lens may include some technical improvements, details not known yet.
An advertising campaign for Sigma 150-600mm Sports Lens published in Australian magazine “The Weekend Australian” says –
Suits popular DSLR cameras including Nikon & Canon, Pentax & Sony mounts coming soon.
Finally Sigma may announce Sigma 150-600mm Sports Lens for Pentax & Sony mounts