This week Tamron announced a new ultrawide-angle zoom lens, the SP AF 10-24mm Di II LD f3.5-4.5, for use with Canon and Nikon APS-C sensor-size dSLRs. Versions for Pentax and Sony will be announced in the future.
The lens has a 35mm-equivalent focal length of 16mm to 37mm. It offers a wider focal length range, and a faster aperture than Tamron's current SP AF 11-18mm Di II f4.5-5.6 lens. A flower shaped lens hood is included with it. The lens has a close focusing distance of 9.4 inches, a 77mm filter size, is 3.4 inches long, 3.3 inches wide, and weighs 14.3 ounces. We contacted Tamron and there is no pricing, availability information, or photos at this time.