The-Digital-Picture has completed the full review of new released Tamron SP 15-30mm f/2.8 DI VC USD lens. As Bryan said, this lens is the the only choice for people who are waiting for a full frame ultra-wide angle focal length range (or any focal length under 24mm) with an f/2.8 aperture and image stabilization.
ephotozine posted several images of new announced Tamron SP 15-30mm f/2.8 Di VC USD lens at Photokina 2014 show. The price and release date for this lens is not available yet. Tamron 15-30mm f/2.8 lens will be available in Canon mount and Nikon mount.
Tamron has announced the new ultra-wide zoom lens: Tamron SP 15-30mm f/2.8 DI VC USD. This lens is designed for full frame cameras. Available for Canon, Nikon and Sony mount, this full-frame lens is the first in its class to offer image stabilization according to Tamron. The lens has an ultrasonic focusing motor, ‘eBAND’ and fluorine coatings, and a 9-blade diaphragm. The 15-30 is less than 145mm (5.7in.) long and weigh in at roughly 1.1kg (2.4 lbs).