Thank you for purchasing and using our products.
We are pleased to inform you the SIGMA 120-300mm F2.8 DG OS HSM F/CANON Firmware Update is now available.
This firmware update allows you to use the SIGMA USB DOCK with the SIGMA 120-300mm F2.8 DG OS HSM F/CANON. If you have the products mentioned below, please start up SIGMA Optimization Pro and then operate lens firmware update.
・SIGMA 120-300mm F2.8 DG OS HSM S013 F/CANON
Benefits of this firmware update
・It has improved the Auto Focus speed of “Standard” and “Speed-priority” modes.
・It has improved the focus accuracy when it is mounted on Canon EOS-1D Mark III or Canon EOS-1D Mark IV.
* Please update to SIGMA Optimization Pro Ver1.2 before operating firmware update of SIGMA 120-300mm F2.8 DG OS HSM S013 F/CANON.
SIGMA Optimization Pro Download page
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