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Pros & Cons
pros
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pros
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Image Quality
Customers are extremely satisfied with the image quality produced by the VILTROX EF-EOS M Lens Mount Auto Adapter, allowing them to capture detailed photos even in low light conditions. Some users have noted a difference when shooting at higher ISO settings compared to full frame cameras. However, a few customers mentioned that the adapter drains their camera battery even when it's off.
neutral
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neutral
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Lens Compatibility
Customers have generally positive feedback regarding the adapter's ability to allow use of Canon EF/EF-S lenses on Canon EOS M series cameras, with some mentioning improved field of view and automatic focus functioning well. However, a small group of customers reported issues with lens communication and camera lockups.

Highlights
Quality
The result is a precise and solid fit on the lens and camera.
Full autofocus, performs about identical to a pass through ef/efm adapter on my canon m50.
8 l lens and immediately bought this adapter fyi the tripod mount will not work with the mark 1 small rig m50 camera cage
If you already have a collection of ef full frame lenses, slap this thing on and bob's your uncle.
Price
I generally prefer smaller efm lenses (the 32mm and 22mm especially) however if i’m going to pay the price of using a bulkier f... Read More
For $156 (at time of purchase) it was well worth it.
I wanted a full frame camera but not the size or cost.
Shipping
Needless to say, i was eager for its arrival.
Packaging/appearance
I love the product as i’ve ordered viltrox in the past the only reason why i gave a 4 star is because when i ordered the viltor... Read More
Competitiveness
They both are crop sensor cameras and have most of the same features for a lot less money for the m50!
I have the other viltrox ef- m2 adapter that is not the booster version.
Overview
- How are reviewers describing this item?
full, great, found and quality. - Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
- Our engine has detected that Amazon has altered, modified or removed reviews from this listing. We approximate total reviews altered up to 1222.
- Our engine has discovered that over 80% high quality reviews are present.
- This product had a total of 1,865 reviews as of our last analysis date on Mar 18 2025.
Helpful InsightsBETA
Posted by a reviewer on Amazon
I was almost was going to return this but after messing around with my camera settings i found the sweet spot
Posted by a reviewer on Amazon
I have the other viltrox ef m2 adapter that is not the booster version
Posted by a reviewer on Amazon
I dont use the efs lenses anyway so that is not the reason to get the non booster version as the booster does not accommodate efs
Posted by a reviewer on Amazon
I found when i was shooting with the booster with low aperture the images were a little soft
Posted by a reviewer on Amazon
Other then that very happy with the product
Posted by a reviewer on Amazon
But i wish to verify that it is in fact the case
Posted by a reviewer on Amazon
So far ive only used two ef lenses the 50mm f1
Review Count History
Price History
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