Sigma USB Dock - Sigma Fit

Micro Tune, Customize, and Update Your Lens

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Sigma USB Dock

Micro Tune, Customize, and Update Your Lens

  • Update Lens Firmware
  • Customize: Autofocus, OS, Focus
  • Compatible with Global Vision Lenses

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.


Sigma USB Dock - Nikon Fit reviews verified by reevooReevoo

4 reviews

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Scores 9.3 out of 10 based on 4 reviews
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10 out of 10


Birmingham GB
Allows easy customisation of settings for focus limiter, image stabilisation & also any available firmware updates.

Haven't tried to micro-adjust the autofocus settings as my lens focuses fine anyway
Confirmed purchase: 29 August 2017
Published on: 10 September 2017
8 out of 10


Birmingham GB Aviation Photographer.
Ease of use. Inexpensive.
Provide more info about using the dock especially with regards customising the focus settings across the entire range of the lense.
Confirmed purchase: 20 February 2017
Published on: 06 March 2017
10 out of 10


Easy and Intuitive way to update the firmware as well as providing a relatively simple way to change the AF focus points.
I think for most people, this will provide little or no benefit, as the existing functionality of the lens(s) will be adequate without any change being required. Unless you have a specific problem, then it's of questionable benefit. Changing the focus point for AF is unavoidably a very time consuming task.
Confirmed purchase: 24 February 2016
Published on: 05 March 2016