---
product_id: 474320060
title: "eWINNER EF-EOS M2 Auto Focus Lens Mount Adapter Ring 0.71x Speed Booster Compatible with Canon EF Lens to EOS EF-M Mirrorless Camera M2 M3 M5 M6 M10 M50 M100 AF Auto Focus Reducer (EF-EOS M2)"
brand: "ewinner"
price: "R$37"
currency: BRL
in_stock: false
reviews_count: 2
url: https://www.desertcart.com.br/products/474320060-ewinner-ef-eos-m2-auto-focus-lens-mount-adapter-ring
store_origin: BR
region: Brazil
---

# Fast AF performance Compatibility with EF lenses 0.71x focal length reduction eWINNER EF-EOS M2 Auto Focus Lens Mount Adapter Ring 0.71x Speed Booster Compatible with Canon EF Lens to EOS EF-M Mirrorless Camera M2 M3 M5 M6 M10 M50 M100 AF Auto Focus Reducer (EF-EOS M2)

**Brand:** ewinner
**Price:** R$37
**Availability:** ❌ Out of Stock

## Summary

> 📸 Elevate Your Photography Game with the eWINNER EF-EOS M2!

## Quick Answers

- **What is this?** eWINNER EF-EOS M2 Auto Focus Lens Mount Adapter Ring 0.71x Speed Booster Compatible with Canon EF Lens to EOS EF-M Mirrorless Camera M2 M3 M5 M6 M10 M50 M100 AF Auto Focus Reducer (EF-EOS M2) by ewinner
- **How much does it cost?** R$37 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/474320060-ewinner-ef-eos-m2-auto-focus-lens-mount-adapter-ring)

## Best For

- ewinner enthusiasts

## Why This Product

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

## Key Features

- • **Smart Connectivity:** Gold-plated pins for superior signal transmission and firmware upgrades.
- • **Precision Auto Focus:** Experience rapid and accurate autofocus with built-in electronic contacts.
- • **Enhanced Light Capture:** Boosts aperture by 1 level, allowing more light for stunning images.
- • **Seamless Compatibility:** Easily mount EF lenses on EOS-M cameras for versatile shooting.
- • **Stability in Every Shot:** IS function minimizes shake, ensuring crystal-clear photos.

## Overview

The eWINNER EF-EOS M2 Auto Focus Lens Mount Adapter Ring is designed to connect Canon EF lenses to EOS-M mirrorless cameras, enhancing your photography experience with improved light capture, autofocus performance, and stability. Its innovative design includes a 0.71x speed booster, making it a must-have for serious photographers looking to maximize their gear's potential.

## Description

Introduction:  EF-EOS M2 adapter is designed to allow EF serie lens to be used on EOS EF-M Mirrorless Cameras. By adapter mounting it can achieve functions of EXIF signal transmission, Autofocus and Aperture adjustment, enlarge 1 level aperture, increasing the amount of light, etc.  Specifications Model: EF-EOS M2 Mount Adapter Compatible lenses: EF series lenses Focal Lenth Multiplier : 0.71x Optical glasses: 4 groups, 4 glasses Tripod Socket: Cu1/4"×1 Diameter and Length: 68mm×27mm Weight: Approx. 145 g (excluding accessories)  Features: USB Firmware Upgrading 0.71x Focal Reducer Booster EXIF Info. Transmitting Support Auto Focus Function Electronic Aperture Control Built-in IS Stabilization Function Gold-plated Contact Pins for Great Conductivity 1/4 Bottom Tripod Base Plate Aluminum Alloy made, powerful and stable  Compatibility: -Compatible with EOS EF Mount lenses -Compatible with EF-M Mount Mirrorless Camera:EOS M/ EOS M2/ EOS M3/ EOS M5/ EOS M6/ EOS M10/ EOS M50/ EOS M100  Compatible lenses: EF series lens (include for Tamron, for Sigma, for Tokina, for Zeiss etc EF mount lens) EF 24-70mm f/2.8L II USM; EF 70-300mm f/4-5.6L IS USM; EF 20-35mm f/3.5-4.5 USM; EF 24-105mm f/4L IS; EF 50mm f/1.4 USM; EF 100mm f/2.8 Macro; EF 50mm f/1.8 II; EF 17-40mm f/4; EF 70-200mm f/2.8L IS II USM; EF 70-200mm f/4L; EF 35mm f/1.4L; EF 70-300mm; EF 16-35mm f/2.8L II; EF 24-85mm f/3.5-4.5 USM; EF 28-135mm f/3.5-5.6 IS; EF 70-300mm f/4-5.6 IS USM; EF 85mm f/1.8 USM; EF 70-300mm f/4.5-5.6 DO IS USM; EF 20-35mm f/2.8 L; EF 14mm f/2.8 L; EF 180mm f/3.5 L; EF 70-200mm f/4L IS USM; EF 24-105mm f/3.5-4.5; EF 28-80mm f/3.5-5.6 II; Tamron 18-270 F3.5-6.3; Tamron 150-600mm f/5-6  Package Included:  EF-EOS M2 adapter x 1  NOTE: does not include the camera.

## Features

- 📷[Compatibility] EF-EOS M mount adapter ring allows EF mount series lenses to be mounted on EOS-M mirrorless digital camera.Design for Micro 4/3 series cameras Panasonic GH5 4 3 2 1, Olympus OM-D E-M1 M5 M10/E-PL8 7 6 5/PEN-F.
- 📷[Construction] The new optical design of the lens allows the aperture increased by one level while the focal length is reduced (equivalent focal length= focal length x 0.71 x 1.6), increase the lens 3 f-stop, increasing the amount of light into the virtual background,can better highlight the theme
- 📷[Auto Focus] Fully electronic mount adapter give full play to the image stabilizer and the AF shooting performance.The design has a built-in aperture motor and an electronic contact, which giving full play to the image stabilizer and the AF shooting performance
- 📷[IS Function] IS function well prevent the camera body and lens shaking. It ensures clear and high quality images while shooting. Full metal body, designed with 1/4 screws at the bottom. Detachable tripod base
- 📷[EXIF Signal Transmitting] The design of gold-plated needle PIN to transmit signal, which has excellent signal transmission performance while it supports EXIF signal transmission. Support firmware upgrade via USB port

## Product Details

- **Shooting modes:** Automatic, Aperture Priority, Shutter Priority, Manual
- **Exposure control type:** Aperture-Priority, Program Aperture-Priority
- **Colour:** EF-EOS M2
- **Zoom type:** Optical Zoom
- **Connectivity technology:** USB

## Images

![eWINNER EF-EOS M2 Auto Focus Lens Mount Adapter Ring 0.71x Speed Booster Compatible with Canon EF Lens to EOS EF-M Mirrorless Camera M2 M3 M5 M6 M10 M50 M100 AF Auto Focus Reducer (EF-EOS M2) - Image 1](https://m.media-amazon.com/images/I/71G+wjb6RoS.jpg)
![eWINNER EF-EOS M2 Auto Focus Lens Mount Adapter Ring 0.71x Speed Booster Compatible with Canon EF Lens to EOS EF-M Mirrorless Camera M2 M3 M5 M6 M10 M50 M100 AF Auto Focus Reducer (EF-EOS M2) - Image 2](https://m.media-amazon.com/images/I/71PtfI-Ym7L.jpg)
![eWINNER EF-EOS M2 Auto Focus Lens Mount Adapter Ring 0.71x Speed Booster Compatible with Canon EF Lens to EOS EF-M Mirrorless Camera M2 M3 M5 M6 M10 M50 M100 AF Auto Focus Reducer (EF-EOS M2) - Image 3](https://m.media-amazon.com/images/I/41fbIGZqQlS.jpg)
![eWINNER EF-EOS M2 Auto Focus Lens Mount Adapter Ring 0.71x Speed Booster Compatible with Canon EF Lens to EOS EF-M Mirrorless Camera M2 M3 M5 M6 M10 M50 M100 AF Auto Focus Reducer (EF-EOS M2) - Image 4](https://m.media-amazon.com/images/I/71wTssIeK7L.jpg)
![eWINNER EF-EOS M2 Auto Focus Lens Mount Adapter Ring 0.71x Speed Booster Compatible with Canon EF Lens to EOS EF-M Mirrorless Camera M2 M3 M5 M6 M10 M50 M100 AF Auto Focus Reducer (EF-EOS M2) - Image 5](https://m.media-amazon.com/images/I/71fEQkxWKNL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐ 2.0 out of 5 stars







  
  
    Heavy Vignette with very soft edges
  

*by D***K on Reviewed in the United Arab Emirates on 8 April 2023*

I wasn't expecting the vignette's and very soft edges when selecting the least focal lengths.. But it fall shorts when my fully charged batteries (100% in healthy condition) drains quickly. I am returning this item. But hey, Could you kindly get your this design back to you drawing board again and reDesign it to make my mark II.. its just my 2 cent. Ty!

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    A Genuine product
  

*by A***L on Reviewed in the United Arab Emirates on 22 November 2022*

It's a nice well built product. Price is less but output is much better.Turned my M50 Mark ii into a full frame camera as now I can mount my 50mm lens very comfortably.

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**Shop now:** [https://www.desertcart.com.br/products/474320060-ewinner-ef-eos-m2-auto-focus-lens-mount-adapter-ring](https://www.desertcart.com.br/products/474320060-ewinner-ef-eos-m2-auto-focus-lens-mount-adapter-ring)

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-01-23*