By connecting the USB cable to a computer, SIGMA USB DOCK enables photographers to update the lens firmware and adjust parameters such as focus
Flash USB Dock FD-11
This accessory is used to dock the EF-630 and update its firmware in the exclusive SIGMA Optimization Pro software. The dock is connected to a personal computer via a USB cable.
Sigma USB Dock
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. Requires …