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Sigma USB Dock for Canon EF-Mount

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The Sigma USB Dock for Canon EF-Mount

The Sigma USB Dock for Canon EF mount allows you to update/adjust compatible Sigma Global Vision lenses using their free software. Key features include:

Limited Compatibility. The USB Dock is only compatible with Sigma’s Global Vision line of lenses.

Customized Calibration. With four adjustable categories to customize focus distance for prime lenses and sixteen for zoom lenses (four distances x four focal lengths), the USB Dock allows precision calibration for the specific camera/lens setup. Additionally, when used with certain lenses you can also customize three different AF speed modes, three Optical Stabilizer modes, and constrain focus distances within a specific range.

Sigma Optimization Pro The free Sigma Optimization Pro software is simple to use, enabling you to update firmware as well as make focus adjustments on the latest Sigma Global Vision lenses.

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We offer a 3-day inspection period on all sales, during which time you may return the item for a refund of the purchase price, not including shipping.

Finally, if you select the two-year lens warranty, you'll get additional protection from Consumer Priority Service ("CPS"). The two-year warranty will take effect after our 90-day warranty ends. Click the link below for all the details:

Extended Warranty Details