• It has improved the AF accuracy when it is used with the SIGMA fp L. • It has improved aperture operation when shooting movies with the Panasonic LUMIX S1H. • It has optimized the value of the minimum focusing distance displayed on the camera.
※For customers who own the SIGMA USB Dock UD-11: Connect the lens to a computer via the SIGMA USB Dock UD-11 (sold separately), then open SIGMA Optimization Pro*. If the lens firmware isn’t the latest version, the following message will appear: ‘The latest lens firmware is available’. Click ‘Yes’ to update.
* Before updating lens firmware using the SIGMA USB DOCK UD-11, please ensure youupdate SIGMA Optimization Pro to the latest version.