以前底片機,一律只用蔡司鏡頭,無論是120的Pentacon six 120(50mm,80mm,180mm,300mm,500mm),135的單眼(18mm,21mm 25mm,28mm,35mm,50mm,60mm,85mm,100mm,135mm,28-85mm,35-135mm,80-200mm,100-300mm,500mm),135測距連動相機(16mm,21mm,28mm,35mm,45mm,90mm),不過,全數都是手動鏡頭,只有135單眼那些鏡頭,裝上Contax AX機身,才能有自動對焦功能.