The Sigma USB dock works in conjunction with Sigma Optimization Pro software in order to connect a photographers lens to their personal computer to update firmware and other parameters such as focus, and for the Sports category: Autofocus speeds, focus limiters, and optical stabilization functionality. Updating the firmware can be done via the internet. Sigma Photo Pro is available for Mac and PC computers.
Focus Settings:
- 4 Categories of customization for fixed focal length
- 16 Categories of customization for zoom lenses (4 options for focal length) x (4 options for shooting distance)
Sports Line:
- AF Speed: 3 adjustment modes
- Focus Limiter: Customize auto focus range
- OS: 3 adjustment modes
The Sigma Optimization Pro can be downloaded at the Sigma Global Vision site.
Compatible Lenses:
- Art - 35mm F1.4 DG HSM
- Contemporary - 17-70mm F2.8-4 DC MACRO OS HSM / 17-70mm F2.8-4 DC MACRO HSM
- Sports - 120-300mm F2.8 DG OS HSM
Warranty - 1 year America Warranty + 3 year USA extended warranty on manufacturing and workmanship for a total of 4 years of coverage from date of purchase.
Product Specifications:
For Windows:
Your computer must meet the following criteria for the software to operate:
- Core 2 Duo or faster processor
- Windows 7 or Windows 8
- 1GB of RAM
- 1GB of available hard disk space
- 24bit or more graphics card
- 1024 x 768 or higher screen resolution
- PC with USB 1.1 port
For Mac OS:
Your computer must meet the following criteria for the software to operate:
- Mac OS X Ver.10.7 or 10.8 and Intel Core Processor
- 1GB of RAM
- 1GB of available hard disk space
- 24bit or more graphics card
- 1024 x 768 or higher screen resolution
- PC with USB 1.1 port