June 16, 2010
Sigma Posts Firmware Update for Telephoto Zooms
Sigma Photo has posted a firmware update affecting the latest batches of popular telephoto zoom lenses. Lenses affected include the new 120-400mm f4.5-5.6 DG OS HSM, the 150-500mm f5-6.3 DG OS HSM and the 50-500mm f4.5-6.3 DG OS HSM
A free firmware update is required to address the issue. No further details were provided by the notice. The affected unit serial numbers and a link to locating the nearest Sigma Photo repair facility are provided after the jump.
Posted by covey22 at June 16, 2010 2:43 PM