Ott-Holzbau6 years ago000Do I need the extra mic cable when I connect the mic to my A7 R3, doesn't it work directly via the contacts on the mounting port?Show in original language (German)levieth6 years ago+110 Helpful answerYes. On the left side of the camera you have the AUX input for all external microphones.Show in original language (German)Comment1 comment