Thank you for purchasing and using our products.
Sigma Corporation would like to announce a firmware update for the SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary for Nikon is now available. By updating the firmware, the lens will offer improved AF performance.
For customers who own the SIGMA USB DOCK, please update the firmware via SIGMA Optimization Pro.
SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary for Nikon
Benefits of this firmware update
– It has improved the AF performance.
SIGMA Optimization Pro Download page
For further assistance please contact Sigma Imaging (UK) Ltd Service Department by emailing firstname.lastname@example.org telephoning 01707 329 999
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