What do the buttons, rings and indices on the lens mean? Please refer to the diagram below: Related articles Do I have to follow the setup when I first use the camera? What does each icon mean in the Live View screen? What does each mode on the mode dial mean? What should I do if 'Lens locked, please rotate the zoom ring to unlock' is displayed after powering on? What is the best ISO for different scenes? Comments 0 comments Please sign in to leave a comment.