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Related Questions and Answers

Q: 1. Is it work with sigma 24mm f 1.4 dg hsm art lens for canon EF?

A: Yes, the Sigma USB Dock for Canon EF-Mount Lenses will work with the Sigma 24mm f/1.4 DG HSM Art EF.

Q: 2. What USB dock would be used for the Sony E mount adapter? The lens is a Canon mount and the MC-11 adapter is for Sony E mount. Thanks.

A: I'm sorry but there isn't a Sony E mount dock available.

Q: 3. Is this the USB dock for 150-600 contempary ?? I have a canon t6i Love this lens just want to do the firmware update

A: Yep, that's the one!

Q: 4. Is this the only way to update the lens firmware?

A: The Sigma USB Dock for Canon EF-Mount Lenses is the only for you to update the firmware on a Sigma lens.

Q: 5. Will a Canon 5dIII body recognise that a Sigma 50 mm f1.4 Art lens is a non Canon Lens BUT still allow me to micro-focus that lens on that body? If so why do I need the Sigma dock?

A: Canon 5DIII can MFA the Sigma 50mm f1.4 Art lens. The Sigma dock allows you to MFA at four different distances, so therefore is more accurate as lenses can front or back focus different amounts at different shooting distance. For example, lenses can be spot on shooting at objects close but then back focus shooting at objects that are greater than 6ft. The MFA you can make on a camera body is just one adjustment for all shooting distances. Hope that makes sense. Also, another use for the dock would be to download the latest firmware for the lens. The dock only works with the Global Vision lenses. (i.e. art, contemporary, and sports)

Q: 6. Would this work with a 10mm fisheye f/2.8 EX DC HSM bought back in 2010?

A: No this would not work. This dock is only compatible with the Sigma Art, Contemporary, and Sports line lenses.

Q: 7. is this dock only for dslr or also the mirrorless cameras?? I know there is no calibration on mirrorless. thats what makes mirrorless great. so the question i have is do I need this dock if I have a canon r ?

A: This USB Dock is for select Sigma Art or Contemporary Series lenses with a Canon EF mount, in order to adjust focus or update the firmware on the lens.

Q: 8. Does Canon have a similar device for their lenses (EF & EFS)?

A: No, Canon does not have it. Canon do update camera body firmware to debug/improve Canon lens performance. Sigma and other lens manufacturers cannot interact with Canon firmware. All they can do is to adapt lens firmware to Canon camera body manufacturer firmware. To do so, the lens has to be connected to computer/internet to install newer lens firmware. Canon does it by direct camera body USB connection to a computer (details in camera manuals), Sigma does it through the lens USB Dock device. Also USB Dock is used to customize some lens settings at owner shooting preferences and focus micro adjustments. Canon customization and lens focus micro adjustment can be done through camera body menu for each individual lens (details in manual for each camera model).

Q: 9. Does Sigma Dock for Canon EF- Mount Lenses work on Sigma's 50-500mm lens?

A: I don't know. I have the Sigma 18-35mm/f1.8 ART lens. It works beautifully with that lens. There is a compatibility chart on Sigma's website. (I tried to include a link here but B&H won't allow it.) The 50-500 does not appear on the chart. I recommend reaching out directly to Sigma to be sure. Good luck!

Q: 10. Where do I get the Mac OS software for use with the Sigma Dock? No software is listed in the box from the item description.

A: a href= http://www.sigma-global.com/en/lenses/cas/product/accessories/usb-dock/ target= _blank http://www.sigma-global.com/en/lenses/cas/product/accessories/usb-dock//a