---
product_id: 270227358
title: "VILTROX EF-EOS M2 Auto Focus Lens Adapter 0.71x Reducer Speed Booster for Canon EF Mount Lens to Canon EF-M Mount Mirrorless Camera EOS M M2 M3 M5 M6 M10 M50 M100"
brand: "viltrox"
price: "Rp4467776"
currency: IDR
in_stock: true
reviews_count: 5
category: "Viltrox"
url: https://www.desertcart.id/products/270227358-viltrox-ef-eos-m2-auto-focus-lens-adapter-0-71x
store_origin: ID
region: Indonesia
---

# Supports autofocus & electronic aperture 4-element optical design for clarity 0.71x focal length reducer VILTROX EF-EOS M2 Auto Focus Lens Adapter 0.71x Reducer Speed Booster for Canon EF Mount Lens to Canon EF-M Mount Mirrorless Camera EOS M M2 M3 M5 M6 M10 M50 M100

**Brand:** viltrox
**Price:** Rp4467776
**Availability:** ✅ In Stock

## Summary

> 📸 Unlock Full-Frame Power on Your Mirrorless – Don’t Crop Your Creativity!

## Quick Answers

- **What is this?** VILTROX EF-EOS M2 Auto Focus Lens Adapter 0.71x Reducer Speed Booster for Canon EF Mount Lens to Canon EF-M Mount Mirrorless Camera EOS M M2 M3 M5 M6 M10 M50 M100 by viltrox
- **How much does it cost?** Rp4467776 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.id](https://www.desertcart.id/products/270227358-viltrox-ef-eos-m2-auto-focus-lens-adapter-0-71x)

## Best For

- viltrox enthusiasts

## Why This Product

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

## Key Features

- • **Ready for Action:** Detachable tripod foot with 1/4"-20 thread and micro-USB firmware upgrade port for pro convenience.
- • **Expand Your Frame:** Maximizes angle of view by reducing crop factor with 0.71x focal length multiplier.
- • **Speed & Precision:** Seamless autofocus and electronic aperture control keep you shooting fast and sharp.
- • **Crystal Clear Optics:** Four lens elements in four groups deliver superior image clarity and color fidelity.
- • **Pro-Grade Compatibility:** Effortlessly mounts Canon EF lenses on EF-M mirrorless bodies like M50, M6, M5 & more.

## Overview

The VILTROX EF-EOS M2 is a 0.71x focal reducer lens adapter that enables Canon EF lenses to be used on Canon EF-M mirrorless cameras, enhancing the field of view and increasing light intake by one stop. It supports full electronic communication for autofocus, aperture control, and metadata transfer, features a high-quality 4-element optical design for sharp, color-accurate images, and includes a detachable tripod foot and firmware upgrade port for professional flexibility.

## Description

This 0.71x Lens Mount Adapter from Viltrox allows a full-frame Canon EF-mount lens to be mounted onto a Canon EF-M-mount camera. While doing so, the adapter's optics help to maximize the connected lens's apparent angle of view while providing a one-stop increase for the camera over the lens's aperture range. If a lens intended for 35mm film or similarly-sized full-frame camera sensors is connected to a Canon EF-M-mount camera, it would project an image larger than the camera's APS-C sized sensor was built to accept. Able to capture only the center portion of the projected image, the effective angle of view of the lens would be narrowed, creating an in-camera "crop factor." This adapter condenses the light from a lens designed for 35mm film or "full frame" camera sensors and projects it onto a Canon EF-M-mount camera's APS-C sensor. This allows the APS-C sensor to utilize more of the light gathered by a connected lens, which effectively reduces the crop factor while making available to the sensor an additional one stop of light for each of the lens's f/stop settings. If a compatible lens includes autofocus, as well as camera-controlled aperture functions, this adapter is intended to allow those features to be used. Also, if an attached lens is capable of generating Exif metadata when used with a directly compatible camera, this adapter is designed to allow that information to be saved along with image files generated with a combination of the lens, a compatible Canon EF-M-mount camera, and the adapter. This adapter is constructed with four lens elements in four groups that are designed to provide optical clarity as well as color fidelity, and the underside of its detachable tripod foot is tapped with a 1/4"-20 accessory thread, enabling direct attachment to tripods or quick release plates that feature 1/4"-20 mounts. For ease of upgrading its firmware, this adapter also includes a micro-USB port. Maximizes apparent angle of view of combined camera and lens Provides a one-stop increase for the camera over the lens's aperture range Four lens elements in four groups for optical clarity as well as color fidelity Supports electronic communication between camera and lens to enable autofocus, on-camera aperture control, and Exif metadata generation when possible Detachable tripod foot with 1/4"-20 accessory thread for direct attachment to tripods or quick release plates that feature 1/4"-20 mounts

Review: The adapter works perfectly as mentioned in the description. Other than the fact that it can work for only EF lenses, could not find any issues. I am using a Yongnu 50mm lens which works completely fine with the adapter.
Review: Great "speed booster" for adapting Canon EF/EF-S lenses. I have bought at least two of these. (I have both an M50 Mk II and an M6 Mk II. Fie on you Canon for orphaning the EF-M system. I shall never ever buy an RF Camera. I will buy into Sony system first.) Fortunately, there are adapters for a wide variety of vintage mounts to EF mount. Incidentally, a speed booster nearly preserves the field of view and light transmission of an EF/EF-S mount lens. This is in contrast to a regular mount adapter such as the Viltrox EF-EOS Auto Focus Lens Adapter which does not do so.

## Features

- Compatibility:Viltrox EF-EOS M2 is designed to allow Canon EF-mount series lenses to Canon EF-M mirrorless cameras,such as Canon M5 M6 M10 M50 M100
- 0.71x Focal Reducer Booster: Focal length is multiplied by 0.71 based on the original (equivalent focal length = focal length x 0.71), which helps enlarge 1 level aperture
- Support Auto Focus Function and Electronic Aperture Control

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07QWBQ14J |
| Best Sellers Rank | #102,701 in Electronics ( See Top 100 in Electronics ) #2,565 in Camera Mounts & Clamps |
| Item model number | EF-EOS M2 |
| Manufacturer | VILTROX |
| Product Dimensions | 10 x 8 x 5 cm; 145 g |

## Product Details

- **Brand:** Viltrox
- **Compatible mountings:** Canon EF-S
- **Focal length description:** 0.71x Focal Length Reducer
- **Lens type:** adapter

## Images

![VILTROX EF-EOS M2 Auto Focus Lens Adapter 0.71x Reducer Speed Booster for Canon EF Mount Lens to Canon EF-M Mount Mirrorless Camera EOS M M2 M3 M5 M6 M10 M50 M100 - Image 1](https://m.media-amazon.com/images/I/71PcK5Esz5S.jpg)

## Available Options

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

## Questions & Answers

**Q: Does it work on the original black magic pocket cinema camera?**
A: for Canon EF/EF-S Lens to Canon EOS-M (EF-M Mount) Mirrorless Camera

**Q: How it goes with canon eos m50??**
A: The Viltrox EF-EOS M Adapter works with Canon EOS M50.

**Q: Can it be used with 50mm?**
A: Yes it can be used on a 50mm lens. This is a great add on to my lenses. This is my go to adapter for my 35mm f1.4L. It makes my 35mm f1.0.

**Q: Can you use a canon ef-s 18-135mm lens or a 85mm lens?**
A: As long as your lenses are EF or EFS mount, you should be able to use them with this adapter.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by P***R on 27 March 2021*

The adapter works perfectly as mentioned in the description. Other than the fact that it can work for only EF lenses, could not find any issues. I am using a Yongnu 50mm lens which works completely fine with the adapter.

### ⭐⭐⭐⭐⭐ Review
*by D***D on 26 September 2025*

Great "speed booster" for adapting Canon EF/EF-S lenses. I have bought at least two of these. (I have both an M50 Mk II and an M6 Mk II. Fie on you Canon for orphaning the EF-M system. I shall never ever buy an RF Camera. I will buy into Sony system first.) Fortunately, there are adapters for a wide variety of vintage mounts to EF mount. Incidentally, a speed booster nearly preserves the field of view and light transmission of an EF/EF-S mount lens. This is in contrast to a regular mount adapter such as the Viltrox EF-EOS Auto Focus Lens Adapter which does not do so.

### ⭐⭐⭐⭐ Review
*by V***K on 6 March 2024*

Nice adaptor for m mount

## Frequently Bought Together

- VILTROX EF-EOS M2 Auto Focus Lens Adapter 0.71x Reducer Speed Booster for Canon EF Mount Lens to Canon EF-M Mount Mirrorless Camera EOS M M2 M3 M5 M6 M10 M50 M100
- Canon EF 50mm f/1.8 STM Lens
- EF-EOS M Lens Adapter Auto-Focus Lens Converter Ring Compatible for Canon EF/EF-S Lens and Canon EOS-M (EF-M Mount) Camera EOS M M2 M3 M5 M6 M10 M50 M100

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*Product available on Desertcart Indonesia*
*Store origin: ID*
*Last updated: 2026-03-03*