---
product_id: 97051491
title: "Viltrox EF-M1 Auto Focus Lens Mount Adapter with Aperture Control, EXIF Transmitting for Canon EOS EF/EF-S Lens to M4/3 Olympus Panasonic Camera GH4 GH5 GF6 GX7 E-M5 E-M10II E-PL5"
brand: "viltrox"
price: "54026 kr"
currency: ISK
in_stock: true
reviews_count: 12
category: "Viltrox"
url: https://www.desertcart.is/products/97051491-viltrox-ef-m1-auto-focus-lens-mount-adapter-with-aperture
store_origin: IS
region: Iceland
---

# Real-time EXIF data transmission USB firmware upgradeable Fast & precise autofocus Viltrox EF-M1 Auto Focus Lens Mount Adapter with Aperture Control, EXIF Transmitting for Canon EOS EF/EF-S Lens to M4/3 Olympus Panasonic Camera GH4 GH5 GF6 GX7 E-M5 E-M10II E-PL5

**Brand:** viltrox
**Price:** 54026 kr
**Availability:** ✅ In Stock

## Summary

> 🔗 Bridge the old and new — master your lens legacy with Viltrox EF-M1!

## Quick Answers

- **What is this?** Viltrox EF-M1 Auto Focus Lens Mount Adapter with Aperture Control, EXIF Transmitting for Canon EOS EF/EF-S Lens to M4/3 Olympus Panasonic Camera GH4 GH5 GF6 GX7 E-M5 E-M10II E-PL5 by viltrox
- **How much does it cost?** 54026 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/97051491-viltrox-ef-m1-auto-focus-lens-mount-adapter-with-aperture)

## 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

- • **Live EXIF Data Sync:** View aperture, shutter speed, ISO, and lens info in real-time for perfect shot settings every time.
- • **Future-Proof Firmware Updates:** Stay cutting-edge with USB-upgradable firmware that enhances performance and fixes bugs effortlessly.
- • **Seamless Canon Lens Compatibility:** Unlock your vintage Canon EF/EF-S lenses on modern Micro 4/3 bodies without compromise.
- • **Robust Metal Build with Tripod Mount:** Durable, stable design featuring a 1/4" tripod thread for professional shooting stability.
- • **Precision Autofocus & Aperture Control:** Experience near-native autofocus speed and smooth aperture adjustments directly from your camera.

## Overview

The Viltrox EF-M1 is a premium metal lens mount adapter that enables Canon EF/EF-S lenses to work seamlessly on Micro 4/3 cameras like Olympus and Panasonic GH series. It supports fast autofocus, electronic aperture control, and real-time EXIF data transmission, ensuring your vintage glass performs almost like native lenses. With USB firmware upgradeability, it stays future-ready, while its sturdy build includes a tripod mount for professional stability. Ideal for photographers wanting to maximize their existing lens investments with modern mirrorless bodies.

## Description

Shop Viltrox EF-M1 Auto Focus Lens Mount Adapter with Aperture Control, EXIF Transmitting for Canon EOS EF/EF-S Lens to M4/3 Olympus Panasonic Camera GH4 GH5 GF6 GX7 E-M5 E-M10II E-PL5. Free delivery and returns on eligible orders.

Review: I am very happy with the product and I can reuse my old lenses. - I have a Olympus OMD EM10 III and also an old 35mm Canon camera. I forked out a substantial amount on lenses in the 2002 just to be overtaken by the digital revolution on cameras. Now finally I bought a lens adaptor to try and use my Canon lenses. It was important for me to be able to have auto focus and that the camera works with the lens without any major issues. It works for my EF 28-135mm just fine and even the EF 28-105 works despite not being on the list of supported lenses. I ran some test for clarity and as an amateur I can not spot any lens issues on the pictures. Yes auto-focus is sometimes a bit slow but again I did not expect the same performance as with Olympus lenses. I am very happy with the product and I can reuse my old lenses. TBH those big lenses are heavy and for a "day out" I'd probably use the original Olympus lenses so I don't have to carry the weight. For a bit more experimental picture taking I certainly would use the big Canon lenses. Best of both worlds really. Anyway the adaptor worked out of the box with my combination of camera and lenses and even though there is a firmware update available I did not install it on the grounds the "if it works why fix it" A bit on the expensive side but I don't regret my purchase.
Review: Firmware-dependent performance, so YMMV. - I'm using this to adapt Canon "L" glass to the Fujifilm X-H2. When I initially received the adapter I put the latest firmware on. However, when I started using the adapter with my lenses and the X-H2, is was a total disaster: the autofocus on all lenses just "hunted" and I frequently got a green focus lock indication, when the lens was blatantly out-of-focus; I had to switch to manual focus mode and use focus "peaking" to get anything in focus. Not a good start. However, a little research on't web indicated that things started to go t*ts up with this adapter at firmware V2.28 and that V2.26 was more stable. So, with little to lose (as I would have returned the adapter had things not improved) I downgraded the firmware to V2.26; and et voila everything worked on all my lenses. And the most amazing thing is that it worked just as well with video as stills; I was using a Sony A7 iii with an adapter and although stills were ok with auto focus video was a disaster. So, YMMV but whatever lenses and body combination you have, if you get this adapter, and things don't work properly, try V2.26 of the firmware before you send it back. I'm giving it four stars because all my L glass works as if it were native (or very near if not) and loses the extra star due to the hassle of having to research firmware that would enable correct functionality with my equipment. The image shows Rayman (looking a little dusty these days) shot with EF 24-70 f/2.8 USM L (MK1) and the Fujifilm X-H2 with this adapter.

## Features

- 【Compatibility】VILTROX EF-M1 mount adapter is compatible with EF/EF-S series lens to be used Micro 4/3 series cameras: GH5 GH4 GX7 GF7 GM5, Olympus OM-D E-M1 E-M5II E-M10III.
- 【Fast and Accurate Auto-Focus】VILTROX EF-M1 lens adapter can provide you with a fast and smooth focusing experience. The focusing speed is almost the same as the original lens. Can efficiently track and flexibly lock objects.
- 【EXIF Signal Transmission】VILTROX EF-M1 converter adapter supports a built-in copper electronic adapter, camera, and lens information sharing, enhancing the data transmission performance between the chassis and the lens, after installing the lens, you can view the aperture, shutter, ISO, and other information in real-time.
- 【Autofocus Function & Aperture Control】Supports Autofocus, Interior built-in aperture motor, and an electronic contact; aperture of the lens controlled by means of an electronic contact; aperture can be adjusted directly from the camera side to control the actual aperture of the lens.
- 【USB Firmware Upgrade】Equipped with a USB interface can realize software upgrades. It can perfect new functions of the lens mount adapter and fix bugs according to follow-up upgrades.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07JLWV8XB |
| Aperture Modes | Multiple |
| Best Sellers Rank | 63,059 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 686 in Camera Lenses |
| Brand | VILTROX |
| Camera Lens | The Viltrox EF-M1 mount adapter enables the use of Canon EF/EF-S series lenses on M4/3 cameras. It supports auto focus, aperture adjustment, and EXIF signal transmission. The adapter is made of metal with a durable and stable design, featuring a 1/4" thread tripod foot at the bottom. It is compatible with a wide range of Canon, Tamron, and Sigma lenses, and supports firmware upgrade via USB port. |
| Customer Reviews | 3.6 3.6 out of 5 stars (401) |
| Date First Available | 22 Oct. 2018 |
| Focus type | Auto Focus |
| Guaranteed software updates until | unknown |
| Item model number | EF-M1 |
| Lens Design | Prime |
| Package Dimensions L x W x H | 11.9 x 9.9 x 6.9 centimetres |
| Package Weight | 0.11 Kilograms |
| Part number | XY-EF-M1 |
| Product Dimensions L x W x H | 12 x 10 x 6.8 centimetres |
| Size | EF-M1 |
| Warranty description | 1 year |
| Water Resistance Level | Not Water Resistant |
| Zoom Type | prime |

## Product Details

- **Brand:** VILTROX
- **Compatible Camera Models:** Olympus M4/3, Panasonic M4/3
- **Compatible mountings:** Micro Four Thirds
- **Focus type:** Auto Focus
- **Image stabilisation:** IS
- **Lens design:** Prime
- **Lens type:** Lens accessory
- **Maximum aperture:** 2.8 f
- **Model name:** EF-M1

## Images

![Viltrox EF-M1 Auto Focus Lens Mount Adapter with Aperture Control, EXIF Transmitting for Canon EOS EF/EF-S Lens to M4/3 Olympus Panasonic Camera GH4 GH5 GF6 GX7 E-M5 E-M10II E-PL5 - Image 1](https://m.media-amazon.com/images/I/711aoShAR8L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ I am very happy with the product and I can reuse my old lenses.
*by M***E on 6 May 2020*

I have a Olympus OMD EM10 III and also an old 35mm Canon camera. I forked out a substantial amount on lenses in the 2002 just to be overtaken by the digital revolution on cameras. Now finally I bought a lens adaptor to try and use my Canon lenses. It was important for me to be able to have auto focus and that the camera works with the lens without any major issues. It works for my EF 28-135mm just fine and even the EF 28-105 works despite not being on the list of supported lenses. I ran some test for clarity and as an amateur I can not spot any lens issues on the pictures. Yes auto-focus is sometimes a bit slow but again I did not expect the same performance as with Olympus lenses. I am very happy with the product and I can reuse my old lenses. TBH those big lenses are heavy and for a "day out" I'd probably use the original Olympus lenses so I don't have to carry the weight. For a bit more experimental picture taking I certainly would use the big Canon lenses. Best of both worlds really. Anyway the adaptor worked out of the box with my combination of camera and lenses and even though there is a firmware update available I did not install it on the grounds the "if it works why fix it" A bit on the expensive side but I don't regret my purchase.

### ⭐⭐⭐⭐ Firmware-dependent performance, so YMMV.
*by D***N on 2 October 2022*

I'm using this to adapt Canon "L" glass to the Fujifilm X-H2. When I initially received the adapter I put the latest firmware on. However, when I started using the adapter with my lenses and the X-H2, is was a total disaster: the autofocus on all lenses just "hunted" and I frequently got a green focus lock indication, when the lens was blatantly out-of-focus; I had to switch to manual focus mode and use focus "peaking" to get anything in focus. Not a good start. However, a little research on't web indicated that things started to go t*ts up with this adapter at firmware V2.28 and that V2.26 was more stable. So, with little to lose (as I would have returned the adapter had things not improved) I downgraded the firmware to V2.26; and et voila everything worked on all my lenses. And the most amazing thing is that it worked just as well with video as stills; I was using a Sony A7 iii with an adapter and although stills were ok with auto focus video was a disaster. So, YMMV but whatever lenses and body combination you have, if you get this adapter, and things don't work properly, try V2.26 of the firmware before you send it back. I'm giving it four stars because all my L glass works as if it were native (or very near if not) and loses the extra star due to the hassle of having to research firmware that would enable correct functionality with my equipment. The image shows Rayman (looking a little dusty these days) shot with EF 24-70 f/2.8 USM L (MK1) and the Fujifilm X-H2 with this adapter.

### ⭐⭐⭐⭐⭐ The best companion for your M6 Mark II
*by G***X on 11 January 2023*

I shoot primarily full frame on my Canon 5D Mark IV for my commercial photography, but carrying that around for street photography is just not very feasible. I wanted a small, full-frame, easy to use, quick to deploy camera. The obvious answer was the Lieca Q2, but I don't have that kind of cash to throw around so my next option was to buy an M6 Mark II, put this adapter on the front and use all of my full frame lenses at nearly no crop (well, 1.1 times crop, so nearly nothing) with the added bonus that it adds an extra stop of light, so a 24mm F2.8 becomes a 26.4mm F2 lens. Absolutely the perfect combination, now I can carry this camera around and use it with any of my full frame lenses, gaining a stop of light too! In the picture you can see it with a massive 24-35 F2 from Sigma. This lens is effectively a 26.4 to 38.5 F1.4 lens now and although it is very front heavy, it works really well. The adapter also has a tripod mount, you can balance these bigger lenses a bit better and relieve some of the stress on the camera mount when on a tripod. You can update the firmware of the adapter to the latest version which seems to have resolve some old issue where it would drain the battery of the camera even with the camera off, I've not had that issue at all. Lastly, image quality. I've not seen any real detriment to image quality with the addition of this adapter, the optics on it seem high quality enough. I do have the original Canon adapter (not a speedbooster) and pixel peeping didn't show any significant quality difference from a non-optic adapter to this one. The second picture (the one of the Omega watch) was shot using the M6 Mark II and this adapter with a Sigma 105mm F2.8 Macro Lens. You can be the judge on whether it resolves good quality or not :) It might seem a little expensive but in photography terms this is cheap, especially if you already have a line of full frame lenses (particularly primes you are used to shooting)

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-02-25*