For those considering using older equipment with newer gear, this compatibility list may help: http://support.d-imaging.sony.co.jp/www/dslr/accy/accy_body.html
It's of course in Japanese, so use a machine translation like Babblefish to help. When you click through from the camera type of your choice, you'll find that the blue bar on the left is for Sony accessories, and the green bar is for Konica Minolta.
Double circles = Completely compatible
Circles = Compatible
Triangles = Partially compatible
Crosses = Not compatible
Note that we are not responsible for the information that Sony provides.