Thank you for purchasing and using our products.

We would like to announce the availability of new firmware and support for the lenses listed below. This update resolves the phenomenon that the exposure may not be accurate when these SIGMA interchangeable lenses for NIKON are used on a Nikon D500, which was released on April 28th, 2016 by Nikon Corporation.

For customers who own the applicable products listed below, please update the lens firmware in accordance with the following information.

[Applicable products]
SIGMA 35mm F1.4 DG HSM | Art – Nikon mount
SIGMA 17-70mm F2.8-4 DC MACRO OS HSM | Contemporary – Nikon mount
SIGMA 18-300mm F3.5-6.3 DC MACRO OS HSM | Contemporary – Nikon mount
SIGMA 120-300mm F2.8 DG OS HSM | Sports – Nikon mount, when attached to TELE CONVERTER TC-1401 or TC-2001
* Lens firmware update is not necessary if the lens is not used with TELE CONVERTER TC-1401 or TC-2001.

[Benefit of this firmware update]
It has corrected the phenomenon that applicable products listed above show some underexposure depending on shooting conditions when they are mounted on a Nikon D500.

For customers who own the SIGMA USB DOCK
Please update the lens firmware using SIGMA Optimization Pro.

For customers who are using SIGMA Optimization Pro Ver1.2 or earlier, please ensure you update it to Ver1.3 from the following Download page before updating the lens firmware.
Download page: http://www.sigma-global.com/download/

For customers who do not own the SIGMA USB DOCK
By connecting the USB cable to a computer, SIGMA USB DOCK enables photographers to update the lens firmware and adjust parameters such as focus. It is designed for use with the New Contemporary, Art and Sports product lines.   The adjustment is processed with special software (SIGMA Optimization Pro). The AF speed, focus limiter and OS function are also customizable for Sports lenses.The SIGMA USB DOCK is available for purchase in the Accessories section of our website should you wish to purchase this item and complete the firmware update. CLICK HERE to access the product page.

The lens firmware updae will also be provided free of charge by the Sigma Imaging (UK) Ltd. Service Department. Please refer to the Service & Repair section of our website for receommendations/instructions on how to send an item to us for support. 

Click Here to access the Repairs & Support section of our website
Email: sales@sigmauk.com This email address is being protected from spambots. You need JavaScript enabled to view it.
Telephone: 01707 329999