---
product_id: 127501732
title: "Sigma Mount Converter MC-21 (Canon EF to L Mount)"
brand: "sigma"
price: "FREE"
currency: PAB
in_stock: false
url: https://www.desertcart.com.pa/products/127501732-sigma-mount-converter-mc-21-canon-ef-to-l-mount
store_origin: PA
region: Panama
---

# Integrated LED compatibility Seamless EF to L-Mount conversion Lightweight 136g design Sigma Mount Converter MC-21 (Canon EF to L Mount)

**Brand:** sigma
**Price:** FREE
**Availability:** ❌ Out of Stock

## Summary

> 🔄 Unlock your EF lens legacy on L-Mount — adapt, save, and shoot smarter!

## Quick Answers

- **What is this?** Sigma Mount Converter MC-21 (Canon EF to L Mount) by sigma
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/127501732-sigma-mount-converter-mc-21-canon-ef-to-l-mount)

## Best For

- sigma enthusiasts

## Why This Product

- Trusted sigma brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Integrated LED Display:** Stay informed with built-in LED indicators for smooth operation.
- • **Lightweight & Balanced:** At just 136 grams, it keeps your rig gimbal-friendly and perfectly balanced.
- • **4-Year Warranty Confidence:** Backed by Sigma’s 4-year warranty for long-term peace of mind.
- • **Reliable One-Shot Autofocus:** Enjoy precise one-shot AF for photography, ideal for hybrid shooters.
- • **Maximize Your Lens Investment:** Use your extensive Canon EF glass on L-Mount bodies without breaking the bank.

## Overview

The Sigma MC-21 Mount Converter effortlessly adapts Canon EF lenses to L-Mount camera bodies, enabling professionals to leverage their existing lens investments. Weighing only 136 grams, it offers a balanced setup ideal for gimbal use. While continuous autofocus is not supported, one-shot AF and manual focus remain fully functional. Integrated LED displays enhance usability, and a 4-year warranty ensures reliability. Perfect for millennial pros seeking cost-effective versatility without compromising quality.

## Description

Mount Converter MC-21 Canon EF-L L-Mount

## Features

- Mount Converter MC-21 Canon EF-L, Mount Converter MC-21 Canon EF-L, SIGMA
- Accessoire image & son, Dimensions de lemballage de larticle ( L x L x H) en cm : 7 x 10.8 x 12.2
- Quantité de colis darticles : 1, Mount Converter MC-21 Canon EF-L, SIGMA
- Accessoire image & son, Sigma
- Accesorio de imagen y sonido., EF-Mount Lens to L-Mount Body,Integrated LED Displays Compatibility

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07Q8Q6QK9 |
| Best Sellers Rank | #288 in Camera Lens Adapters & Converters |
| Brand | Sigma |
| Built-In Media | Camera Body |
| Camera Lens | 7 |
| Camera Lens Description | 7 |
| Color | Black |
| Compatible Camera Models | L-mount |
| Compatible Camera Mount | Canon EF |
| Compatible Mountings | Canon EF |
| Customer Reviews | 4.3 out of 5 stars 178 Reviews |
| Exposure Control Type | Automatic |
| Focal Length Description | 24 millimeters |
| Focus Type | Auto Focus |
| Global Trade Identification Number | 00085126937232 |
| Image stabilization | no image stabilization |
| Item Type Name | Digital-slr-camera-lenses. |
| Item Weight | 136 g |
| Lens | Standard |
| Lens Design | Prime |
| Lens Fixed Focal Length | 24 millimeters |
| Lens Mount | Canon EF |
| Lens Type | Standard |
| Manufacturer | Sigma |
| Manufacturer Part Number | 89E969 |
| Maximum Aperture | 1.4 millimeters |
| Maximum Focal Length | 2 |
| Media Type | Image, Video |
| Minimum Aperture | 16 |
| Minimum Focal Length | 2 |
| Model Name | Sigma MC-21 Mount Converter - Canon EF to L-Mount |
| Model Number | 89E969 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Real Angle Of View | 50 degrees |
| Screen Size | 3 inches |
| UPC | 085126937232 |
| Unit Count | 1 Count |
| Viewfinder Type | Electronic viewfinder |
| Warranty Description | 4 years |
| Water Resistance Level | Not Water Resistant |
| Zoom Ratio | 1:1 |

## Product Details

- **Brand:** Sigma
- **Camera Lens Description:** 7
- **Compatible Mountings:** Canon EF
- **Focal Length Description:** 24 millimeters
- **Lens Type:** Standard

## Images

![Sigma Mount Converter MC-21 (Canon EF to L Mount) - Image 1](https://m.media-amazon.com/images/I/718jGL0ZKTL.jpg)
![Sigma Mount Converter MC-21 (Canon EF to L Mount) - Image 2](https://m.media-amazon.com/images/I/71OpgyTxfaS.jpg)
![Sigma Mount Converter MC-21 (Canon EF to L Mount) - Image 3](https://m.media-amazon.com/images/I/71Kj8izgEmS.jpg)
![Sigma Mount Converter MC-21 (Canon EF to L Mount) - Image 4](https://m.media-amazon.com/images/I/71BiJcVgVdS.jpg)

## Questions & Answers

**Q: Does it work with EF-S lenses?**
A: Yes it does Regards Steve 1-800-221-2253 cambridgeworld

**Q: Does continuous autofocus still work with the adapter?**
A: I could be doing something wrong however. Auto focus works using same setting when on my Panasonic 24-70 but when I attach adapter to the Ed lens it no longer works. On bhphoto they claim it does.

**Q: why are the l mount things so expense?  emount and rf adapters are so much cheaper?**
A: The Sigma adapters are the highest Quality adapters made.They are made in Japan.Regards Steve 1-800-221-2253 cambrisgeworld

**Q: Does this work with canon ef lenses or just sigma ef lenses?**
A: It does work with the canon lenses also Regards Steve 1-800-221-2253 cambridgeworld

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- Sigma MC-21 FOR Canon
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**Shop now:** [https://www.desertcart.com.pa/products/127501732-sigma-mount-converter-mc-21-canon-ef-to-l-mount](https://www.desertcart.com.pa/products/127501732-sigma-mount-converter-mc-21-canon-ef-to-l-mount)

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*Product available on Desertcart Panama*
*Store origin: PA*
*Last updated: 2026-10-12*