Top critical review
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It Worked Properly but Loose and Rattle
on September 16, 2013
First I bought the adapter from Canon, then I bought this one hoping to save some money. So my review is a comparison between this adapter and the one made by Canon.
The Fotodiox Adapter: It worked properly, AF worked, but the adapter is very loose (or perhaps other reviewers got a very tight fit one, which means the build quality is inconsistent). After I mount the adapter to the body, it will rotate quite a bit, it's not a snuged fit at all. When mounting a big lens to it, the problem is even worse, both lens and adapter rotate, rattle, so much so that AF is lost sometime. I had to remove and reattach the lens to re-establish AF connection. The loose fitting also made it very hard to do manual focus, as soon as I got focus, the lens shifts, rotates or wiggles downward (due to the lens weigh) then my focus is lost or at least become slightly blurry. The build quality is also poor, made in China. The tripod mount rattle and loose, seems to be made out of plastic. I tried to tighten it (afraid that it would strip the plastic thread) but after tightening, the tripod mount wiggles back and fort against the adapter body, so the camera would rock back and fort as well.
The Canon Adapter: Very tight fit, worked properly. Tripod mount fits snugly to the adapter. The whole unit is very solid.
I decided to keep the Canon adapter instead, although it's quite expensive. I think if you get a good unit from Fotodiox where the fit is tight then it's a great deal! Because this unit does work!