Update Lens Firmware
Customize: Autofocus, OS, Focus
Compatible with Global Vision Lenses
Sigma Optimization Pro software in order to connect a photographers lens to their personal computer to update firmware and other parameters such as focus, and for the Sports category
Compatible Lenses 35mm F1.4 DG HSM, 17-70mm F2.8-4 DC MACRO OS HSM / 17-70mm F2.8-4 DC MACRO HSM, and 120-300mm F2.8 DG OS HSM
The adjustment is processed with special software (SIGMA Optimization Pro).
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