---
product_id: 134935458
title: "VILTROX EF-M2II 0.71x Speed Booster, EF to Micro 4/3 Focal Reducer Booster Adapter Auto-Focus for GH6 GH5M2 BMPCC 4K GH4 GH5 G100 G95 G85 OM-1 EM-1 E-M1X E-M1 iii E-M5 iii E-M10 iv E-M10 iii"
brand: "viltrox"
price: "€ 417.22"
currency: EUR
in_stock: true
category: "Viltrox"
url: https://www.desertcart.fr/products/134935458-viltrox-ef-m2ii-0-71x-speed-booster-ef-to-micro
store_origin: FR
region: France
---

# 0.71x focal reducer for 1-stop light boost Auto-focus with precise electronic contacts USB firmware upgrade for future-proof performance VILTROX EF-M2II 0.71x Speed Booster, EF to Micro 4/3 Focal Reducer Booster Adapter Auto-Focus for GH6 GH5M2 BMPCC 4K GH4 GH5 G100 G95 G85 OM-1 EM-1 E-M1X E-M1 iii E-M5 iii E-M10 iv E-M10 iii

**Brand:** viltrox
**Price:** € 417.22
**Availability:** ✅ In Stock

## Summary

> 📸 Unlock pro-level clarity & speed with the VILTROX EF-M2II Speed Booster!

## Quick Answers

- **What is this?** VILTROX EF-M2II 0.71x Speed Booster, EF to Micro 4/3 Focal Reducer Booster Adapter Auto-Focus for GH6 GH5M2 BMPCC 4K GH4 GH5 G100 G95 G85 OM-1 EM-1 E-M1X E-M1 iii E-M5 iii E-M10 iv E-M10 iii by viltrox
- **How much does it cost?** € 417.22 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/134935458-viltrox-ef-m2ii-0-71x-speed-booster-ef-to-micro)

## 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

- • **Precision Autofocus:** Advanced AF system with inbuilt copper contacts ensures fast, accurate focusing for professional-grade results.
- • **Built to Last & Perform:** Durable metal bayonets with plating and a tripod foot provide stability and rugged reliability on every shoot.
- • **Expand Your Lens Potential:** Seamlessly mount Canon EF lenses on Micro 4/3 bodies like GH5 and OM-1 for unmatched versatility.
- • **Brighter Shots, Sharper Focus:** 0.71x focal reducer increases aperture by 1 stop, delivering brighter images with enhanced depth of field control.
- • **Stay Ahead with Firmware Updates:** USB interface enables easy firmware upgrades, unlocking new features and fixing bugs to keep your gear cutting-edge.

## Overview

The VILTROX EF-M2II is a premium 0.71x focal reducer adapter that allows Canon EF lenses to be used on Micro 4/3 cameras, enhancing brightness by 1 stop and maintaining autofocus functionality. Crafted with durable metal construction and equipped with USB firmware upgrade capability, it ensures precise focus, improved image quality, and future-proof adaptability for serious photographers using models like the GH5, OM-1, and BMPCC 4K.

## Description

desertcart.com : VILTROX EF-M2II 0.71x Speed Booster, EF to Micro 4/3 Focal Reducer Booster Adapter Auto-Focus for GH6 GH5M2 BMPCC 4K GH4 GH5 G100 G95 G85 OM-1 EM-1 E-M1X E-M1 iii E-M5 iii E-M10 iv E-M10 iii : Electronics

## Features

- Compatibility: Viltrox EF-M2 II is an upgrade version of EF-M2, allowing Canon EF series lenses to be used on M4/3 cameras, such as GH4 GH5 GF6 GF1 GX1 GX7 GX85 E-M5 E-M10 E-M10II E-PL5
- 0.71x Focal Reducer Converter: focal length is multiplied by 0.71 based on the original (equivalent focal length = focal length x 0.71), which helps enlarge 1 stop aperture
- AF Functions & Adjustable Aperture: auto focusing function, increasing the lens 1 f-stop and the amount of light into the virtual background, better highlight the theme; adjust the aperture directly from camera to control the lens’ actual aperture
- Material & Design: bayonets are made of metal with surface plating treatment, being durable and sturdy; inbuilt copper electronic contacts and IS function, making focus precise and clear, with 1/4" thread tripod foot at the bottom, etc
- USB Firmware Upgrade: Equipped with USB interface, can realize software upgrade. Can perfect new functions of the lens mount adapter and fix bugs according to follow-up upgrades.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07RK8CLVV |
| Best Sellers Rank | #96 in Camera Lens Adapters & Converters |
| Brand | VILTROX |
| Camera Lens | 4 |
| Compatible Camera Models | Olympus E-M1, Olympus E-M10, Olympus E-M10II, Olympus E-M10III, Olympus E-M5, Olympus E-M5II, Olympus E-P1, Olympus E-P3, Olympus E-P5, Olympus E-PL2, Olympus E-PL3, Olympus E-PL5, Olympus E-PL7, Olympus E-PL8, Olympus E-PM1, Olympus E-PM2, Olympus PEN-F, Panasonic G1, Panasonic G2, Panasonic G3, Panasonic G6, Panasonic G7, Panasonic GF1, Panasonic GF2, Panasonic GF3, Panasonic GF4, Panasonic GF5,… |
| Compatible Camera Mount | Canon EF |
| Customer Reviews | 4.2 4.2 out of 5 stars (287) |
| Exposure Control Type | Automatic |
| Focal Length Description | 50 millimeters |
| Focus Type | Auto Focus |
| Image stabilization | Optical |
| Item Weight | 0.26 kg |
| Lens | Standard |
| Lens Coating Description | Nano Coating or Super Integrated Coating |
| Lens Design | Prime |
| Lens Fixed Focal Length | 10 centimeters |
| Lens Mount | Canon EF |
| Manufacturer | Shenzhen Jueying Technology Co., Ltd. |
| Manufacturer Part Number | 53003867 |
| Maximum Aperture | 1.4 millimeters |
| Maximum Focal Length | 10 centimeters |
| Media Type | ProductImage, EnhancedContent |
| Minimum Focal Length | 1 millimeters |
| Model Name | EF-M2 II |
| Model Number | 53003867 |
| Number of Diaphragm Blades | 7 |
| Real Angle Of View | 22.5 degrees |
| Unit Count | 1 Count |
| Water Resistance Level | Not Water Resistant |

## Product Details

- **Brand:** VILTROX
- **Camera Lens Description:** 4
- **Compatible Mountings:** Canon EF
- **Focal Length Description:** 50 millimeters
- **Lens Type:** Standard

## Images

![VILTROX EF-M2II 0.71x Speed Booster, EF to Micro 4/3 Focal Reducer Booster Adapter Auto-Focus for GH6 GH5M2 BMPCC 4K GH4 GH5 G100 G95 G85 OM-1 EM-1 E-M1X E-M1 iii E-M5 iii E-M10 iv E-M10 iii - Image 1](https://m.media-amazon.com/images/I/717w8uWCpHL.jpg)
![VILTROX EF-M2II 0.71x Speed Booster, EF to Micro 4/3 Focal Reducer Booster Adapter Auto-Focus for GH6 GH5M2 BMPCC 4K GH4 GH5 G100 G95 G85 OM-1 EM-1 E-M1X E-M1 iii E-M5 iii E-M10 iv E-M10 iii - Image 2](https://m.media-amazon.com/images/I/7188v8LVMvL.jpg)
![VILTROX EF-M2II 0.71x Speed Booster, EF to Micro 4/3 Focal Reducer Booster Adapter Auto-Focus for GH6 GH5M2 BMPCC 4K GH4 GH5 G100 G95 G85 OM-1 EM-1 E-M1X E-M1 iii E-M5 iii E-M10 iv E-M10 iii - Image 3](https://m.media-amazon.com/images/I/71Mntg7dIwL.jpg)
![VILTROX EF-M2II 0.71x Speed Booster, EF to Micro 4/3 Focal Reducer Booster Adapter Auto-Focus for GH6 GH5M2 BMPCC 4K GH4 GH5 G100 G95 G85 OM-1 EM-1 E-M1X E-M1 iii E-M5 iii E-M10 iv E-M10 iii - Image 4](https://m.media-amazon.com/images/I/818FT9xCQ3L.jpg)
![VILTROX EF-M2II 0.71x Speed Booster, EF to Micro 4/3 Focal Reducer Booster Adapter Auto-Focus for GH6 GH5M2 BMPCC 4K GH4 GH5 G100 G95 G85 OM-1 EM-1 E-M1X E-M1 iii E-M5 iii E-M10 iv E-M10 iii - Image 5](https://m.media-amazon.com/images/I/81-LPH453cL.jpg)

## Frequently Bought Together

- VILTROX EF-M2II 0.71x Speed Booster, EF to Micro 4/3 Focal Reducer Booster Adapter Auto-Focus for GH6 GH5M2 BMPCC 4K GH4 GH5 G100 G95 G85 OM-1 EM-1 E-M1X E-M1 iii E-M5 iii E-M10 iv E-M10 iii
- Blackmagic Design Pocket Cinema Camera 4K (CINECAMPOCHDMFT4K)
- [New Version] SMALLRIG BMPCC 4K & 6K Cage for Blackmagic Design Pocket Cinema Camera 4K & 6K w/Cold Shoe, NATO Rail – 2203

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.fr/products/134935458-viltrox-ef-m2ii-0-71x-speed-booster-ef-to-micro](https://www.desertcart.fr/products/134935458-viltrox-ef-m2ii-0-71x-speed-booster-ef-to-micro)

---

*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-07-24*