Auto Focus EF-NEX EF-EMOUNT FX Lens Mount Adapter for Canon EF EF-S Lens to Sony E Mount NEX 3/3N/5N/5R/7/A7 A7R AR7II Full Frame Black

Packaging is sweet and legit. You can tell a lot of care goes into it. Then when you finally take it out the thing is dang heavy and as solid as a high end lens. I was super surprised. Snapped into my Sony a6300 perfectly. Through on my Canon 10-22 with a lens hood and get this, I had to take OFF the lens hood because it was showing up. I did NOT have to remove the lens hood when this lens was on my Canon crop DLSR, so is this close to full frame now?? AWESOME. Auto focus for photos is super quick. Autofocus for video is not constant (i dont think?), but you can still autofocus quickly in a moment before hitting record, which is how i recorded in the past anyway. I took it out at night and got some crazy crisp footage. I'm still going back to look at the footage because it looks so big and amazing. I'm using a super wide lens of course, but it looks great - tons of depth! Very very satisfied and highly recommended.

Great Product

Autofocus slows down a bit compare to my eos t3, still works though on my ef28-135isusm. And keep that in mind, Sony only allow 10mp capturing after using this adapter on my a7ii

Works great, but not perfectly. I use this on my Sony a7s with Canon lenses and I only shoot video with it. I only use manual focus, so I can't speak much to the auto-focus feature, but I know it's not great. The biggest issues I've had with it are: not working well with my Sigma 105mm 2.8 IS Macro lens. The aperture on this lens doesn't work correctly with this adapter and won't go below f3.5; depending on the focus, it doesn't go below f4.5. It also doesn't lock the inner core of the lens when I turn the camera off to switch lenses. This adapter also suffers from light reflections/ glare. It's strongest when shooting into the sun, or when light sources are just out of frame. This is pretty easily remedied by buying some black cloth tape, and taping the inside. After I did that, it solved about 95% of my light issues. The other issue I've had is the tiny screws on the face of the adapter come loose after a while, and the connection between it and the lens starts malfunctioning. I bought a tiny screw driver just for this to keep them nice and tight. Other than those issues, it's a great value for the money. It's hard to complain much when it's about 1/5th the price of other adapters.

A lot of reviews mentioned the focusing delay in using this product but I tried it anyhow. Most said it took a few seconds of searching before focus was locked in. I found it rarely took more than a second. It wasn't instantaneous but fairly quick. I found a bigger problem in seeing the subject through the viewfinder in certain bright situations but that was more a fault of the camera than the adapter. When that happened I focused my attention on the focusing box rather than the subject I was shooting and when the box locked on, I shot. The results were great. All it took was a little time getting used to the adapter and a bit more time getting used to shooting in a slightly different way in bright sunlight. By the way, the Canon lens and Sony a7 combination was almost flawless in scenes that weren't brightly lit. I doubt I'd use it for fast moving sports but I bought my Sony more as a walk around camera than for my everyday newspaper work.