Opening the lens iris

Iris opened by 1 stop (two bars)

Iris opened by 0.5 stop (one bar)

Stopping down the lens iris

Iris stopped down by 1 stop (two bars)

Iris stopped down by 0.5 stop (one bar)

Adjusting the reference value for automatic iris adjustment

When the RM-B150/B750 Remote Control Unit is connected

The IRIS control knob of the RM-B150/B750 can be used for lens iris setting. In this case, the bar display (s) does not appear.

Selecting the automatic iris window

Proceed as follows:

1 Follow the procedure of steps 1 and 2 described in the previous item “Changing the reference value” (page

60)to display the AUTO IRIS page.

2 Turn the MENU knob to move the b mark to “IRIS WINDOW IND,” then press the MENU knob.

The b mark on the left of “IRIS WINDOW IND” changes to a z mark, and the z mark on the left of the setting changes to a ? mark.

3 Turn the MENU knob until “ON” appears, then press the MENU knob.

The z mark returns to a b mark, and the ? mark returns to a z mark.

The currently selected auto iris window appears on the screen.

If it is not necessary to display the auto iris window on the screen, set to “OFF.”

4 Turn the MENU knob to move the b mark to “IRIS WINDOW,” then press the MENU knob.

The b mark changes to a z mark, and the z mark changes to a ? mark.

5 Turn the MENU knob until the desired auto iris window appears, then press the MENU knob.

The shaded parts indicate the area where light detection occurs.

Auto iris window

The z mark on returns to a b mark and the ? mark returns to a z mark.

 

If you select “VARIABLE,” the following items

Chapter

 

become effective and you can set the window of the

 

 

 

desired size. Set each item to the desired size.

4

 

 

 

 

 

 

Adjustments

 

IRIS VAR HEIGHT

The height of the window

 

Item

Setting

 

 

IRIS VAR WIDTH

The width of the window

 

 

 

 

and

 

IRIS VAR H POS.

The position of the window in the

 

 

horizontal direction

Settings

 

 

 

 

 

 

 

 

IRIS VAR V POS.

The position of the window in the

 

 

 

vertical direction.

for

 

 

 

6

cover of the menu operating section.

Recording

Set the MENU ON/OFF switch to OFF or close the

 

The menu disappears from the viewfinder screen and the display indicating the current status of the camcorder appears along the top and bottom of the screen.

To counter problems with very bright highlights

If the subject is too bright, the iris may close too much, leaving the overall image dark, or the highlights may be blown out. In such cases, setting the highlight clip function on reduces the luminance range, avoiding problems from the automatic iris correction.

In the AUTO IRIS page of the USER menu, set the CLIP HIGH LIGHT item to “ON.”

Changing the Reference Value for Automatic Iris Adjustment

61