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For Canon EF, EF-M, and RF Lenses    Manufacturer Service Plan    Accidental Damage Protection    Additional Hardware Coverage    Priority Service & Free Two-Way Shipping

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Related Questions and Answers

Q: 1. Will this work on my Sigma 24-70 DG 2.8 Art Lens? It’s not listed on Sigma’s “Compatibility” list.

A: According to Sigma's site, this lens is compatible with their dock.

Q: 2. Just to be really clear, this will allow me to use an RF mount lens on an EF mount body? It says compatible with Jupiter lenses, but they are PL or EF, not RF.

A: The Sirui Jupiter EF-RF Adapter for Canon RF Lenses to Canon EF Cameras is only compatible with Sirui Jupiter cine lenses.

Q: 3. can someone confirm this product hold both EF and EF-S lenses?

A: It might not work for an EF-S lens that has a back part that protrudes too far back. The mount is the same, but some EF-S lenses don't work with some full frame cameras because that back part hits the mirror.

Q: 4. what lenses will this work with i have a 70-300 mm dg macro?

A: No. Sigma USB dock is only compatible with Sigma global vision lenses which includes Art, Sport and Contemporary product line.

Q: 5. Is it compatible with sigma 24mm f 1.4 dg hsm art kens for canon ef?

A: Yes, the Sigma 24mm f/1.4 DG HSM Art lens for Canon EF is compatible with the Sigma USB Dock for Canon EF-Mount Lenses

Q: 6. 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: 7. 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: 8. Can you the dock with an iPad Pro

A: No, only to a computer.

Q: 9. Would anyone recommend using the Sigma USB Dock as a rear lens cap for convenience?

A: I would not recommend it. This device has electronic components which are sensitive. Therefore, any mayor hits can cause damage.

Q: 10. how to you adjust the physical iris with this?

A: The Sirui Jupiter EF-RF Adapter for Canon EF Lenses to Canon RF Cameras is a manual lens adapter and does not provide any electronic communications between the lens and camera body. A lens with manual focus and aperture control rings is recommended, such as the Venus Optics Laowa 15mm f/4 Macro Lens for Canon EF (B&H # VE1540C). This will allow for physical adjustment to the iris while using the lens adapter.