Don't Buy This Adapter - It Will Break Your Camera!

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[psrosemary]

i wish you’d name them. your links don’t work for me in Mexico :(

[danielsutherland]

I know everyone mentions it but Viltrox makes a good EF-M adapter that I have been using without any issues for a while now. The metal isn't polished like Mark recommends here but feels solid and there isn't any wiggle or gaps and the construction feels solid.

[custommaid]

Just a bit of a technical note.... the "unpolished" mounts are not only unpolished, but not plated. In other words, raw aluminum. The "polished" mounts are not only polished, but plated which gives them their shiny appearance. The raw aluminum will shed just a little bit of itself... that blasted finish coarseness will begin to wear. And where do the bits go? Right inside your camera body, to the shutter, and to the sensor. Or into the lens.
AVOID ANY UNPLATED (unpolished) MOUNTS LIKE THE PLAGUE!

[yohan]

None of the information presented is really conclusive of anything. It is not even clear how the 'bad' adapter will break your camera.

1. Obviously harder metals will always scratch softer metals. The mount on a Canon body is usually brass plated with nickel. You cannot automatically conclude that the matte metal mount on the adapter is hard enough to scratch the body mount. It most likely is made of a cheap, softer metal.

2. Just because a mount looks shiny and polished doesn't mean it is better. For all we know, the shine is just a thin layer of chrome plating on soft metal. Given the price point, the thin, brittle chrome is more likely to peel and chip off leaving small shards of chrome in the body.

[peterwilson]

If you look into the adapters throat that you would put an EF (for an EF to EF-M) lens onto, behind the three lugs, you will see a banana shaped spring-steel element.

This makes a good spring-loaded connection with the EF lens. The Viltrox has this type. The bad adapter had the terrible "cut and pry open type". A slice is made into the mount metal and a tapered object is inserted into the gap to force a bulge in the metal.

There is not enough elastic tension in this brass or whatever metal and it bends back, making your lens slack on the mount.

Most $10 to $20 types are the bad kind. Unusually the Neewer despite being $35 'ish it has the cut type mount tensioner, what were they thinking. Hope this helps.

I have cheap teleconverters from 30 years ago that used the bad tensioner method. I cannot believe they still use that technique today for the sake of a few cents. 🤨

[digital-nature-uk]

Thanks! You may have saved my camera. I bought one from a different well respected manufacturer. The lens side was so tight it was actually grinding against the lens mount when being attached. The camera side locked and the adapter worked, but there was significant play allowing the camera to move in respect to the adapter. I bought the good one that you looked at and that fits perfectly.

[sudhirkalapala]

I purchased altson adaptor for my little canon eos r50. In low light it would switch to MF and would lock up shutter for good 2 to 3 mins. It happened on several lenses. I then went and bought a canon adapter used on eBay. The new one works great.

[WHITEPERSUASON]

The amount of useful videos I am finding from you and your quality is crazy. How you only have 23k is wild.

[belight]

Thanks for the tip, Mark, I got the 'Good EF to EF-M Adapter' you recommended for my EOS Mark II so that I can use the EF Lens series. I just picked up an awesome lens, the EFS 55-250 mm, and this adapter will be great for that. I also read the reviews and they look good, so that's a plus!

[davefoc]

I just bought a Sigma MC-11 adapter. It was a mistake. It seemed like it might not do well with non Sigma lenses based on some of the comments I was reading but the Adorama rep said they thought it would work for my purposes. I have had good luck with Sigma and with the Adorama recommendation I decided to buy it.

Results: Works fine with my Sigma 18-250 mm zoom and my Sigma 150-600 Sport zoom. It came up as non compatible with my Canon 50 mm f1.4 . The autofocus didn't work and there may have been other issues. It also came up as incompatible with my Canon 65mm macro lens. Autofocus wasn't an issue since the Canon 65mm doesn't have autofocus, but it seemed to be struggling to take pictures which maybe should have been expected since the compatibility LED says it's not compatible.

I was surprised at how inexpensive some of the adapters that were discussed in this video are. The Metabones adapter which is what I thought I'd buy now is about $400. Can the best of the less expensive adapters do what the Metabones can?

[travislucas]

So I just bought a Fringer EF-NZ II. Adapter perfected. Metal body with brass mounts and weather sealing. I use it with a Canon 500mm f4 L IS II and sometimes a 1.4x III on a Nikon Z8.

[Duketh]

Good thing we could read the name. You have not once said the actual name lol.

[JMBalicano]

I have an Andoer EF to EF-M adapter that no one should ever get. The screws eventually get loose. Not only did this often disrupt the electronic connection between AF lenses and the camera, when they got loose enough, but there was a very real danger of the screws popping out during disassembly and dropping into the sensor. Switched to a Viltrox along with a speed booster and never had any issues since.

[AndrewCCM]

Both of my Meike's (the one with control ring and the one with ND Filter) had the screws come loose and my camera body fell off onto the pavement (TWICE). Thank goodness I had a SmallRig cage on my R7. I still have the Meike's, but I removed every screw and put permanent Locktight adhesive on them. So far, so good.

[middleagednotdead.]

When you're right, you're right. I am having all of the problems you speak of and will be sending it back. It won't read my 50mil at all and 18-200 is intermittent. But you are also right about NEEWER as a company, I have bought several pieces of kit over the last few years and they have all been good and reliable. Everyone deserves a non starter now and then.

[ravicholachagudda]

So the adapter which you showing as it is good one was that viltrox or cyruss ? cause in link its showing many brands

[jimspc]

Having used 4/3 and M43 cameras since their beginning I can say that I have also used lens adaptors for the same period. Something canon and nikon users are relatively new to. I agree with your comments generally but not so much about buying the $49 one over the $24 one. Why? well you answered that yourself in the video. You got one good one and one bad one. The cheap one was reasonable and you queried the longevity of it. Well, if its life is half its still cheaper. As for the matt finish the metal used would be more important than having a matt finish. Also a black anodised flange coupling reduces any chance of reflections internally so chrome is not so good other than the actual mating surface. And also and quite critical the contact pins MUST be well finished smooth and depressable with ease or you will cause fatal rips to the lens or camera connections.

[chrishuang]

You should take a look at the K&F adaptors. They are very well made. Just bought 3 types ; LM - EOS-M, LM - Micro4/3 and LM - EOS R mount. All works perfectly.

[tomd]

What do you know about a Leica M mount to RF? Also sigma to RF?

[KK-olov]

I wish manufacturers would stop putting feet on adapters. If a lens is heavy it will have its own foot.