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

ASUS - NOTEBOOK ACCESSORIES ROG RANGER BACKPACK

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