Sigma MC-11 Mount Converter Adapter

Canon EF Lens to Sony E-Mount Camera | Full AF Support | EXIF Transmission

Product Overview

The Sigma MC-11 is the industry-standard mount converter that allows you to use your Canon EF-mount lenses on Sony E-mount mirrorless cameras. This used unit has been fully tested and verified to provide fast, accurate autofocus, seamless aperture control, and full EXIF data transmission. Featuring a dust and splash-proof structure and a built-in USB port for firmware updates, the MC-11 ensures your legacy lenses perform like native glass.

✨ Condition: Used - Excellent | Tested & Fully Functional

Key Features

  • Fast & Accurate AF: Maintains the speed and accuracy of Canon EF lenses on Sony bodies, including continuous AF (AF-C) and eye-AF support.
  • Full Electronic Control: Supports aperture adjustment, EXIF data recording, and in-camera lens aberration correction.
  • Lens Stabilization: Compatible with optical image stabilization (IS) built into Canon lenses.
  • USB Firmware Upgrade: Built-in USB port allows you to update the adapter's firmware for future lens compatibility improvements.
  • Durable Build: Dust and splash-proof structure with a precision-machined metal mount for long-term reliability.

Compatibility

This adapter is designed specifically for Canon EF lenses on Sony E-mount cameras. While it supports many lenses, performance varies. Below are the primary supported categories:

Supported Lenses (Canon EF)

Sigma Global Vision (Best Performance):

Art: 20mm, 24mm, 35mm, 50mm, 85mm F1.4
Art: 18-35mm, 24-70mm, 120-300mm F2.8
Sport: 150-600mm, 120-300mm
Contemporary: 30mm, 16mm Fisheye

Canon EF L-Series & USM:

EF 24-70mm F2.8L II USM
EF 70-200mm F2.8L IS III USM
EF 16-35mm F2.8L III USM
EF 50mm F1.2L USM
EF 85mm F1.2L II USM
EF 100mm F2.8L Macro IS USM
(Note: Supports most EF USM and STM lenses. Older non-USM lenses may operate in MF only.)

Compatible Cameras (Sony E)

Full Frame (Alpha 7 Series):

A7, A7R, A7S, A7 II, A7R II, A7S II
A7 III, A7R III, A7R IV, A7R V
A7C, A7C II, A9, A9 II, A1

APS-C (Alpha 6000 Series):

a6000, a6100, a6300, a6400, a6500, a6600

Cinema Line:

FX3, FX6, FX9, FX30

Note: For the best autofocus experience, Sigma recommends using Sigma Global Vision lenses. Canon lenses generally work well but check specific model compatibility.

How to Install

  1. Remove the rear cap from your Canon EF lens and the rear cap from the MC-11 adapter.
  2. Align the red dot on the lens with the red dot on the adapter. Insert and twist clockwise until it clicks.
  3. Remove the front cap from the adapter and the rear cap from your Sony E-mount camera.
  4. Align the white square mark on the adapter with the white square mark on the camera mount. Insert and twist clockwise until locked.
  5. Power on the camera. The lens should be recognized immediately.

To Remove: Press the lens release button on the camera body and twist the adapter counter-clockwise.

Package Included

  • 1 x Sigma MC-11 Mount Converter (Used - Excellent Condition)
  • 1 x Front Lens Cap
  • 1 x Rear Lens Cap 
  • Note: Original box and manual are not included unless specified in photos. Lens and Camera shown are for demonstration only.

Need Help?

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