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Sigma MC-21 Adapter Canon EF-L Mount

  • Integrated LED Displays Compatibility
  • Maintains Autofocus and Auto-Exposure
  • Supports In-Camera Correction Features
  • Flocked Interior Reduces Reflections
  • Removable Tripod Mount
  • Retains EXIF Data



Sigma MC-21 Adapter Canon EF-L Mount

Explore Limitless Canon EF Lens Compatibility on L-Mount Cameras

Experience unprecedented versatility with the Sigma MC-21 Mount Converter. This converter integrates Canon EF lenses onto L-Mount bodies, expanding creative options for SIGMA, Leica Camera, and Panasonic photographers. The MC-21 is your gateway to unlocking the full potential of Canon EF lenses on L-Mount cameras.

Key Features:

  1. Universal Canon EF Compatibility: The MC-21 enables the use of any Canon EF lens on L-Mount camera bodies. Provides an extensive range of choices for photographers seeking compatibility beyond the SIGMA lens lineup.
  2. Comprehensive Lens Compatibility: Compatible with numerous Canon EF lenses. Unlocks possibilities for portrait, landscape, macro, and telephoto photography, catering to diverse needs.
  3. Fast and Precise Autofocus: Enjoy swift and accurate autofocus performance for Canon EF lenses in AF-S mode, ensuring quick and efficient focusing for a variety of shooting scenarios. Please note that AF-C mode is not supported.
  4. Intuitive User Interface: The built-in LED interface communicates lens compatibility instantly, providing a user-friendly experience. Firmware update notifications keep your system up to date for optimal performance.
  5. Pre-Loaded Lens Data: The MC-21 comes pre-loaded with data for each Canon EF lens, optimizing autofocus and aperture control. This thoughtful design ensures seamless integration with a variety of Canon lenses, reducing the need for frequent updates.
  6. Tripod Socket Inclusion: Equipped with a tripod socket, the MC-21 provides stability when using Canon EF lenses, if they don’t have a built-in tripod socket. The included tool simplifies attaching and detaching.
  7. Anti-Reflection Design: The interior of the barrel is flocked to eliminate internal reflections, preserving image quality and minimizing distractions in your shots.
  8. Exif Data Inclusion: Embedded as Exif data in each image file, vital information such as lens type, focal length, and aperture ensures seamless organization and post-processing.

Inside the Box:

  • Sigma MC-21 Mount Converter/Lens Adapter
  • Front and Rear Caps
  • Tripod Mount
  • Tripod Mount Tool


The Sigma MC-21 Adapter is your gateway to unparalleled compatibility, enabling the use of a wide range of Canon EF lenses on L-Mount camera bodies. From autofocus precision to a seamless user interface, this converter maximizes your Canon EF lens investment, allowing you to explore creative possibilities with confidence.