>>3414855>>3414860there's likely an issue with the 2nd curtain. it's getting stuck or not winding properly.
same thing happened to my minolta XG-M after shooting in a dusty environment for a week. only the right side of the pictures was getting exposed. popped the back open to check the shutter and pic related is what I get when shooting at x sync speed and below.
tech said a CLA and manually resetting the shutter curtains fixed it but for the money I ended up getting a X-700 body.