The Sigma USB Dock UD-01 for Pentax K mount allows users to update firmware on compatible Sigma lenses and customize AF/OS parameters using Sigma Optimization Pro software. It connects via USB to any computer and is compatible with select Sigma Global Vision lenses for Pentax K mount. The USB Dock is an essential accessory for fine-tuning Sigma lens performance.
Product released: September 1, 2012
Latest firmware version
Version 1.01, released July 17, 2015
What's new in version 1.01
Compatible with SIGMA 18-300mm F3.5-6.3 DC MACRO HSM C014.