Sigma 12-24 EX DG HSM
Sigma 150mm f2.8 EX DG HSM macro
Sigma 180mm f2.8EX DG HSM macro
Sigma 500mm f4.5 EX DG HSM
Sigma 800mm F5.6 EX D HSM
To shoot in aperture priority mode with an adapter you need the motor that is built into the FT1 to drive the aperture to it's set value together with the electrical contacts necessary to provide...
If ,by black screen, you mean the rear LCD screen won't switch on when you take your eye from the viewfinder you need to clean the small window to the left ofb the eye level viewfinder?Dave
I got 4 from Wex a couple of weeks agoDave