>>3058996It works pretty well. Fumbles a little in low light, but overall pretty nice. It is certainly no a99ii, but I hear it is similar in AF speed to the a77. I have never used a Sony SLT, so I really couldn't tell you.
I used the tumor adapter and the Secret Handshake for travel for about a year until I got a native zoom. No complaints at all with speed.
I have been using the Techart Pro adapter with MD lenses most recently actually.