Adjust the aperture of the lens iris according to the brightness of the subject.
The iris is automatically adjusted according to the brightness of the object.
The lens aperture value (F-number) is not displayed in the Auto Iris mode.
Pressing and holding the [FULL AUTO] button to enter the Full Auto mode also activates the Auto Iris mode. In this case, the Gain, Shutter and White Balance also enter into Auto mode forcibly.
The switching operation of the [IRIS A/M] button is disabled in the Full Auto mode.
The iris open/close limit can be set in [Main Menu] [Camera Function] [Auto Iris Limit (OPEN)]/[Auto Iris Limit (CLOSE)] during Auto Iris.
To set the target level (brighter/darker) of the auto iris, you can press and hold the [AE LEVEL] button on the side of the camera recorder and then change the level using the 
/ 
volume button.
The convergence speed of the auto iris can be set in the menu.
The aperture value (F-number) of the lens can be set manually.
Press and hold the [FULL AUTO] button to set Full Auto mode to off. Press the [IRIS A/M] button to set to the Manual Iris mode.The lens aperture value (F-number) is displayed.
Iris adjustment can be assigned to the zoom ring.
Set [Main Menu] [Camera Function] [Zoom Ring] to “Iris”.
The open F-number of the aperture varies according to the zoom position.
