Feature(may vary by option.)

●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).

[Canon Lenses]

[For Sony-A]

[Sigma Lenses]

Description

Update Lens Firmware