Adjusting Iris, Gain, and Light Intensity

Adjust the aperture, gain and ND FILTER to suit the scene or lighting you are shooting.

Adjusting the gain

When the display is dark, increase the gain to

IRIS dial

ND FILTER switch

IRIS button

brighten the display.

1 If the camera is in auto mode, press the AUTO button to switch to the manual mode (goes out).

2 Switch the gain with the GAIN switch.

L:

Set here under normal conditions. (0 dB)

M:

Increase the gain of the image amplifier.

(The default value is 6 dB.)

H:

Increase the gain of the image amplifier.

GAIN switch

Iris adjustments

1 If the camera is in auto mode, press the AUTO button to switch to manual focusing (goes out).

2 Press the IRIS button to switch how to adjust the aperture of lens.

AUTO IRIS:

Adjust the iris automatically.

MANUAL IRIS:

Adjust the iris manually.

3 Turn the IRIS dial to adjust the aperture of lens when in the manual iris mode.

Even if Auto IRIS is used, you can correct the aperture with this dial.

Set the direction of the IRIS DIAL and aperture control in the setup menus, SW MODE screen, IRIS DIAL (Page 71).

This unit’s iris F number when it is open is F1.6 at full WIDE and F2.8 at full TELEPHOTO. The iris display in the viewfinder or on the LCD when the iris is open is OPEN at full WIDE and F2.8 or OPEN at full telephoto.

(The default value is 12 dB.)

Shooting

Light intensity adjustments

Change the gain values of M and H in the setup

 

menus, SW MODE screen, MID GAIN and HIGH

 

GAIN (Page 71).

 

Use the ND FILTER Switch to change the ND Filter used (filter to change light intensity).

OFF:

ND filter is not used.

1/8:

Cuts light intensity by up to about 1/8.

1/64:

Cuts light intensity by up to about 1/64.

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