Adjusting the Iris

You can adjust the aperture of the lens iris manually or automatically according to the brightness of the object.

360EC_IrisAdjust

Auto Iris (Automatic Adjustment) Mode

Set the [FULL AUTO ON/OFF] switch to “OFF” to turn off the Full Auto mode.
Set the [SCENE SELECT] switch to “OFF” to turn off the Scene Select mode.
Press the [IRIS] button to set to the Auto Iris mode.

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.

Memo

Setting the [FULL AUTO ON/OFF] switch to “ON” to enter 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] switch is disabled in the Full Auto mode.

You can use the cross-shaped button ( L_botton R_botton ) on the side control panel to set the target level (brighter/darker) of the auto iris.

The convergence speed of the auto iris can be set in the menu.

Manual Iris (Manual Adjustment) Mode

The aperture value (F-number) of the lens can be set manually.

Set the [FULL AUTO ON/OFF] switch to “OFF” to turn off the Full Auto mode.
Set the [SCENE SELECT] switch to “OFF” to turn off the Scene Select mode.
Press the [IRIS] button to set to the Manual Iris mode.

The lens aperture value (F-number) is displayed.

Turn the iris dial to adjust the iris manually.

The open F-number of the aperture varies according to the zoom position.

Wide [W] end:

F1.2

Tele [T] end:

F2.8

F-number

Description

Decrease

The subject appears brighter.
The focused range becomes sharper, while the background is blurred to produce a soft image.

Increase

The subject appears darker.
Background of image becomes focused as well.

Memo

Pressing the [PUSH AUTO] button during Manual Iris mode activates One Push Auto Iris mode. And holding down the [PUSH AUTO] button activates Push Auto Iris mode.

One Push Auto Iris

When the camera recorder is in Manual Iris mode, press the [PUSH AUTO] button to adjust the iris according to the brightness of the object.

Push Auto Iris

When the camera recorder is in Manual Iris mode, hold down the [PUSH AUTO] button to change to Auto Iris mode temporarily. The iris will be automatically adjusted according to the brightness of the object.