Best EF to NEX adapter?

Chris Langer

Chris Langer

Well-known member
I am asking since I am jumping back to Sony after owning the FS700 and selling it last year. I shoot Canon now primarily and find the GH4 lackluster for what I need to do for my work. After my GH4 sells, I plan on purchasing a A7s. My question to you, what is your favorite EF to NEX converter? I had the Metabones Speedbooster and it sucked. I had issues with it and had to go back and forth with China (shipped it twice) and got a new one sent back to me after I begged and pleaded. So I would like to resort to Metabones if everyone still thinks they are the best BUT if there are others, I would like to know. Since the A7s is full frame, I do not need the speedbooster, just something simple that changes the aperture via the camera.
 
SpeedBooster (Ultra) is (still) the best. I use both Metabones EF to NEX (IV) and SpeedBooster with the A7S. Using the SpeedBooster on the A7S is helpful as APS-C mode has less rolling shutter (EF to NEX for best low light).
 
Well B&H has the new Ultra Speedbooster on backorder, so I will try the lower priced Commlite and see how that goes.
 
Had very poor experience/results with the Metabones IV with the A7s (Tamron 24-70, Canon 50, Zeiss 28, Tokina 11-16). "Last straw" was when the camera stopped recording when I changed the aperture on a lens because the adapter didn't work well.
E-Mount only lenses for me now on the A7s. May still consider a passive adapter with manual lenses in the future, but definitely won't use one that needs electronic communication.
 
Mine worked for 3 weeks and then one day my speedbooster (before ultra) stopped working on all of my glass. My aperture would stay at f/2.8 and not change. Stopped sending communication. Had to send it back twice to China ($50-75 in shipping) plus had to rent another one a few times since mine was out for a month. I will not buy another metabones product without getting it through B&H. For $650, it should work all the time.
 
I bought the Commlite and it is super solid. Very strong durable mount, strong body, and the electronics work. I didn't need the Speedbooster functions so I opted for the Commlite. Pretty great quality for $100. After my Metabones experience, I will do anything in my power never to give them another dime for their overpriced products.
 
Commlite is solid and cheap but you need to add felt paper to it to eliminate light reflection, it has been well documented.
I got some extra felt paper if somebody want some, bought a sheet and have enough for 100 commlite.:-) BTW I also have the Metabones IV and yes way over price and troublesome.
 
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