Sigma | Sigma MC-11 Mount Converter for Canon EF to Sony E-Mount
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A new device that expands the possibilities of lenses, making them more valuable than ever.

The new MOUNT CONVERTER MC-11 allows you to use your SIGMA SA mount and SIGMA EOS mount interchangeable lenses with the Sony E-mount camera body.

Until now, the market has seen the introduction of many methods for using lenses from one camera system with a body from a different system. In the digital age, however, camera systems have become much more complex, and it is challenging to create a mount converter that aligns both the mechanics and software of the lens and body. Creating a converter that matches lenses for current DSLRs to bodies for mirrorless interchangeable-lens camera systems is even more challenging. Now the market demands a converter that goes beyond simply aligning the flange back distance to retaining full functionality.

MOUNT CONVERTER MC-11 incorporates the digital data necessary to provide fast and smooth AF for compatible lenses as well as OS features and functions of the camera that help control peripheral brightness and correct transverse chromatic aberration, distortion, and more.

In addition, since Sony E-mount camera bodies do not require mechanical integration with lenses for aperture control, the MOUNT CONVERTER MC-11 makes SIGMA SA mount interchangeable lenses and SIGMA interchangeable lenses for Canon cameras fully compatible with the automatic exposure control of Sony E-mount camera bodies.

MOUNT CONVERTER MC-11 is ideal for professional photographers who use different camera systems depending on the subject, as well as amateur photographers who enjoy using a variety of camera systems. Increasing the compatibility of lenses with different camera systems makes these assets more valuable than ever. In addition, users of Sony E-mount camera bodies will enjoy an immediate increase in the number of lenses available to them.

More flexible use of valuable lens assets

With the MOUNT CONVERTER MC-11, users of SIGMA SA mount interchangeable lenses and SIGMA EOS mount interchangeable lenses for Canon camera bodies can use them as is with Sony E-mount camera systems. Users of multiple mounts will enjoy more flexible use of their valuable lens assets.


27 interchangeable SIGMA lenses available* for Sony E-mount camera bodies

The MOUNT CONVERTER MC-11 gives Sony E-mount camera body users access to a total of 27 SIGMA interchangeable lenses. Thanks to compatibility with auto-image area setting functionality, SIGMA DC lenses for APS-C sensors can be used with camera bodies with full-size sensors without the need for any special operation. 
Compatible SIGMA DC lenses can therefore be freely used with Sony E-mount camera bodies.

Camera α9, α7 series, NEX series, α5000 series, α6000 series*1
Lens 35mm full-size APS-C

12-24mm F4 DG HSM(Art)

17-70mm F2.8-4 DC MACRO OS HSM(Contemporary)


24-35mm F2 DG HSM(Art)

18-35mm F1.8 DC HSM(Art)

24-70mm F2.8 DG OS HSM(Art)

18-200mm F3.5-6.3 DC MACRO OS HSM(Contemporary)
  24-105mm F4 DG OS HSM(Art) 18-300mm F3.5-6.3 DC MACRO OS HSM(Contemporary)

100-400mm F5-6.3 DG OS HSM(Contemporary)

50-100mm F1.8 DC HSM (Art)

120-300mm F2.8 DG OS HSM(Sports)

30mm F1.4 DC HSM(Art)

150-600mm F5-6.3 DG OS HSM(Sports)

19mm F2.8 DN(Art)*2

150-600mm F5-6.3 DG OS HSM(Contemporary)

30mm F2.8 DN(Art)*2

14mm F1.8 DG HSM(Art)

60mm F2.8 DN(Art)*2

20mm F1.4 DG HSM(Art)

16mm F1.4 DC DN(Contemporary)*2

24mm F1.4 DG HSM(Art)

30mm F1.4 DC DN(Contemporary)*2

35mm F1.4 DG HSM(Art)


50mm F1.4 DG HSM(Art)


85mm F1.4 DG HSM(Art)


135mm F1.8 DG HSM(Art)


500mm F4 DG OS HSM(Sports)


* Including unreleased products. 
* MOUNT CONVERTER MC-11 is not compatible with teleconverters 
* Accurate operation is not guaranteed with lenses not listed as compatible 
*1 Accurate operation is not guaranteed with cameras not listed here
*2 MC-11 is not required.

Fast and smooth autofocus performance

When used with a camera body that is compatible with Fast Hybrid AF, AF-S mode delivers extremely fast and smooth autofocus performance. With other camera bodies, contrast detection AF offers very high-precision autofocusing.*
*Please see lens compatibility chart below


DC 30mm F1.4 DC HSM
DC 18-35mm F1.8 DC HSM
DC 50-100mm F1.8 DC HSM
DG 14mm F1.8 DG HSM
DG 20mm F1.4 DG HSM
DG 24mm F1.4 DG HSM
DG 35mm F1.4 DG HSM
DG 50mm F1.4 DG HSM
DG 85mm F1.4 DG HSM
DG 135mm F1.8 DG HSM
DG 12-24mm F4 DG HSM
DG 24-35mm F2 DG HSM
DG 24-70mm F2.8 DG OS HSM
DG 24-105mm F4 DG OS HSM
Contemporary DC 17-70mm F2.8-4 DC MACRO OS HSM
DC 18-200mm F3.5-6.3 DC MACRO OS HSM
DC 18-300mm F3.5-6.3 DC MACRO OS HSM
DG 100-400mm F5-6.3 DG OS HSM
DG 150-600mm F5-6.3 DG OS HSM
Sports DG 120-300mm F2.8 DG OS HSM
DG 150-600mm F5-6.3 DG OS HSM
DG 500mm F4 DG OS HSM

* Including unreleased products.
* Not compatible with AFC or AFA 
* Not compatible with DMF in certain lenses 
* For use with DMF (in compatible lenses), it is necessary to change applicable settings with the SIGMA USB DOCK (sold separately) 
* Video capture requires the use of MF

Easy-to-use interface

The LED display on the MOUNT CONVERTER MC-11 makes it easy to know whether an attached lens is compatible or not and whether the mount converter control data needs to be updated for operation with that lens.


Includes necessary data

MOUNT CONVERTER MC-11 incorporates the data necessary for each compatible lens and uses a dedicated control program to optimize AF drive, aperture control, and other functions. It is compatible with functions of the camera that maintain peripheral brightness and correct transverse chromatic aberration, distortion, and more. As new compatible lenses are released, control data for MOUNT CONVERTER MC-11 can be updated via a personal computer..

Note: Lens data updates require the installation of the latest version of SIGMA Optimization Pro on your personal computer.

Compatible with optical stabilization features of both lens and camera body

The compatibility of MOUNT CONVERTER MC-11 with the OS features of both the lens and the camera body makes possible superior correction of camera shake and other stability issues. When used with a camera body that features an OS function, MOUNT CONVERTER MC-11 allows angle shake correction in the lens for superior corrective performance.

Flocking inside barrel helps prevent internal reflections

MOUNT CONVERTER MC-11 features flocking in its interior to help prevent internal reflections and a reduction in lens performance.

Compatibility with Exif data

Lens type, focal length, F number, and other tags are embedded as Exif data in the image file.


Corresponding AF mounts

Canon EF-E*1, SIGMA SA-E

* The appearance and specifications are subject to change without notice.
*1 SIGMA EOS Mount


  • Green light: The lens is compatible.
  •  Blinking green light: The lens requires a firmware update with the USB Dock.
  •  Blinking orange light: The MC-11 requires an update to read new lens data.

Off: The lens is not compatible.

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