Konica Minolta AF Zoom 75-300mm f/4.5-5.6 SLR Lens Maxxum SLR Cameras For use with Minolta Maxxum Autofocus SLR cameras Focus and exposure data flow from lens' ROM integrated circuit to camera's central processing unit Support Minolta's ADI (Advanced Distance Integration) flash metering Wide focusing ring for comfort and better control Focus hold button for easy operation