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Small black rectangular USB dock for Canon lenses, model 878101

SIGMA

Sigma USB Dock for Canon 878101

SKU CH-MDBR-W736N

A USB dock that updates firmware and customises focus settings on compatible Sigma lenses for Canon EOS cameras

  • Product typeConverters & Adapters
  • Product colorBlack
  • Compatible withCanon
  • Update lens firmware via USB connection to computer
  • Customise focus and stabilisation parameters with Sigma Optimization Pro software
  • Designed for Sigma Global Vision lenses on Canon EOS cameras
  • Compact black accessory built for frequent professional use
  • Streamlines post-shoot workflow by transferring images directly to computer

Sigma USB Dock for Canon 878101

The Sigma USB Dock connects compatible Sigma Global Vision lenses to a computer via USB for Canon EOS camera users. It enables firmware updates and lets photographers customise focus and optical stabilisation parameters using Sigma Optimization Pro software. The accessory is built for regular use in professional and enthusiast workflows.

Firmware updates and lens customisation

The dock provides the only way to apply lens firmware releases and to adjust autofocus micro-adjustment and stabilisation settings through the supplied software. Without this specific Canon-mount dock those adjustments cannot be made on supported Sigma lenses.

Workflow integration

A free USB port on the computer is required to link the dock and run the Sigma Optimization Pro application. The dock removes the need to return lenses to a service centre for firmware work and frees up time by allowing immediate, on-site calibration changes during a shoot.

How it compares

Measured against everything we stock in Interchangeable Camera Lenses, at today’s prices. Recalculated every night.

Price $55.99
Cheaper than about 94% of the 2,570 comparable items (median $546.49).

Specifications

Product
Brand nameSIGMA
Model name878101
Product typeConverters & Adapters
Product colorBlack
Compatibility
Compatible withCanon

Questions about this item

How does the firmware-update feature change the way my Sigma lens works on a Canon EOS body?

The dock connects compatible Sigma Global Vision lenses to a computer so you can install firmware updates that may improve autofocus accuracy or optical-stabilisation behaviour for your specific camera combination.

What USB standard does the dock use and what practical limit does it impose?

It uses a standard USB connection to link the lens to a computer; transfer speed is limited by that USB link and by the Sigma Optimization Pro software rather than by any higher-speed protocol.

What physical fitting does the dock need to attach to my lens?

The dock mounts directly onto the lens’s own bayonet mount, so the lens must be a Sigma Global Vision model with a Canon EF-compatible mount for the connection to engage.

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