Quite similar to the original

The positive: he works, and transfers all the functions of my EF-S - Lenses. The tripod mount can be screwed off, but sits somehow wrong. This can be more or less offset on the tripod. Blemishes! To operate on the EOS M should be noted in passing that the camera is very slow. After the firmware update is significantly faster with the original lens. But that is not the adapter. It is ok for the price and I think that you will not ever use it.