VILTROX EF-EOS M Lens Mount Auto Focus Adapter, Compatible with Canon EF/EF-S Lens to Canon EOS M (EF-M Mount) Mirrorless Camera Body EOS M100 M50 M3 M10 M6 M5
Condition: New
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FREE refund/replacement until Jan 31, 2026 Learn more
FREE refund/replacement until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Tuesday, Dec 23
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Size: EF-M AF Mount Adapter
Features
- It allows you to use your EOS M to attach any of Canons extensive range of EOS System lenses - connecting you to a world of creative possibilities.
- The extensive range includes fixed focus and zoom lenses covering a focal length range From 8mm to 800mm. It permits all lens functions including image stabilization and autofocus, and features a removable tripod mount.
- Expand your EOS M system and explore your creativity! The mount Adapter fees m gives you complete access to the full spectrum of Canon EF and EF-S lenses so you can use your existing lenses and try out new ones to get the shots you want.
- This adapter supports auto focus function and aperture adjustment. Quick focusing, smooth adjusting of aperture, shutter, ISO data etc.
- Small and lightweight, to match the EOS M, the Mount Adapter EF-EOS M is easy to carry with you, wherever you go.
Brand: VILTROX
Focal Length Description: 800 millimeters
Lens Type: Standard
Compatible Mountings: Canon EF
Camera Lens Description: 8
Product Dimensions: 7.87 x 7.87 x 7.87 inches
Item Weight: 11.3 ounces
Item model number: EF EOS M
Is Discontinued By Manufacturer: No
Date First Available: May 2, 2013
Manufacturer: Shenzhen Jueying Technology Co., Ltd.
Language: English
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Dec 23
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: EF-M AF Mount Adapter
Excellent
Reviewed in the United States on November 27, 2025 by Reynieri Escaño
Size: EF-M AF Mount Adapter
Works perfectly. Well built.
Reviewed in the United States on October 3, 2025 by VetteLover
Size: EF-M AF Mount Adapter
It worked perfectly, all signals from the camera was flawlessly transfered to the lens and vice versa via this mount without interuptions. Images stay sharp and clean as if the mount isnt even there. Over all the mount does out some weight to the total heft but not bad at all
Reviewed in the United States on July 26, 2025 by Michael Minhduong
Size: EF-M Speed Booster Adapter
This product, and all their products have changed the way I use my cameras. I can now use all my EF mount lenses with my Canon M50. The build quality is as good as Canon, or any other high end lens I've used. Fit was perfect and all electronics worked flawlessly (auto focus and stabilization). This now expands the lenses made for the M50 from 6 to all the EF lenses (which is many). The one thing to take note, before purchasing, is that only EF lenses work on this adapter and not EF-S mount lenses. I don't understand why they can't make a speed booster to allow the use of myEF and EF-S lenses though. The non speed booster version of this product (the one with no optics in it) that they make, allow me to use both types, why can't they make a speed booster that accepts all my EF and EF-S lenses like their cheaper adapter? Besides that one issue, I still recommend this product. It will open up your lens choices for your Canon M50 and is made of nothing but the best quality material.
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Reviewed in the United States on October 19, 2019 by Hayes Tech
Size: EF-M AF Mount Adapter
Good Product
Reviewed in the United States on November 30, 2025 by Donna
Size: EF-M AF Mount Adapter
Brought a better life back to my M50, quality and functionality are great, should have bought one of these sooner!
Reviewed in the United States on August 15, 2025 by Devaughn
Size: EF-M Speed Booster Adapter
The media could not be loaded. One thing that hasn't been clear to me and I don't blame this on the manufacture Viltrox but on the many reviews out there. I didn't notice until I began to use the speed booster that it will only work with EF Lenses, not EF-S lenses. Yes, this should have been a given with the idea being that this will take a mirrorless crop sensor camera and turn it into a full frame camera. Now on the subject of Full frame. I'm using this with a Canon M50. Which has a crop factor of 1.6. This booster gives a plus 0.71. Meaning that this crops 1.136. For example EF 50mm 1.8 with the adapter is an 80mm with the booster it is a 56.8mm and also drops the F down to 1.2. The images and video were all shot using the Canon 50m 1.8 STM. the first image is with the speed booster with aperture at1.2. The second is with the booster at 1.8. The third is with the Canon EF-m to EF adapter with the aperture set at 1.8. The video is with the speed booster. I have used this both for images and video. With video, I haven't really noticed any issues other than the motor makes does make more noise than usual and the autofocus seems slightly slower when changing the autofocus from one subject to the other. The 50mm is dead silent when used without the booster, so I'm guessing that this is the motor in the booster. When tracking I've noticed no issue beyond the focus motor sound. Who should buy this and who shouldn't? If you already have a collection of EF Full Frame lenses, slap this thing on and Bob's your uncle. If you are just starting out and on a budget, the EF-M to EF adapter may be a better option because you can use both EF and EF-S lenses. EF-S lenses tend to be cheaper and THEY WILL NOT WORK WITH THIS SPEED BOOSTER.
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Reviewed in the United States on April 25, 2019 by DaVo DaVo
Size: EF-M AF Mount Adapter
🫶🏽
Reviewed in the United States on December 4, 2025 by Jesse Floyd