Sigma has discovered that there may be an autofocus issue with some of its recent zoom lenses:
- --- APO 50-500mm F4.5-6.3 DG OS HSM
--- Serial Numbers between 10633051 and 10972000
- --- APO 120-400mm F4.5-5.6 DG OS HSM
--- Serial Numbers between 10574001 and 10972000
- --- APO 150-500mm F5-6.3 DG OS HSM
--- Serial Numbers between 10674301 and 10972000
Details of how they'll help you get it fixed available here.
Whilst I was away in Cuba with my camera, it was PMA 2010 in California. Sigma took the opporuntity to launch five new lenses, a DSLR (SD15) and a couple of compacts (DP1x, DP2s). The detailed press release is available to view here.
The lenses are:- 8-16mm F4.5-5.6 DC HSM
- 17-50mm F2.8 EX DC OS HSM
- APO 50-500mm F4.5-6.3 DG OS HSM
- APO 70-200mm F2.8 EX DG OS HSM
- 85mm F1.4 EX DG HSM
