appear in the upper part to the left of the F number in the iris indication.

To stop down the iris by 0.5 stop

Turn the MENU knob clockwise as seen from the front of the camcorder. One bar (s) appears in the lower part to the left of the F number in the iris indication.

To stop down the iris by 1 stop

Turn the MENU knob further clockwise as seen from the front of the camcorder. Two bars (ss) appear in the lower part to the left of the F number in the iris indication.

4Chapter

 

 

(two bars)

 

Opening the lens iris

 

 

 

Iris opened by 1 stop

andRecording

 

 

Iris opened by 0.5 stop

 

 

 

 

 

 

(one bar)

Playback

Stopping down the lens iris

 

 

Iris stopped down by 1

 

 

 

 

 

 

stop (two bars)

 

 

 

Iris stopped down by 0.5

 

 

 

 

 

 

stop (one bar)

Not turning the MENU knob for a few seconds sets the reference value. The changed reference value is retained until the power of the camcorder is turned off. Even if the reference value is changed, it reverts to the standard value every time the power is turned on.

When the RM-B150 Remote Control Unit is connected

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

To select the automatic iris window

1 Set IRIS WINDOW IND to ON on the AUTO IRIS page of the OPERATION menu.

For details on menu operations, see “Basic menu operations” on page 93.

The currently selected automatic iris window is displayed on the viewfinder.

Set to OFF if the automatic iris window does not need to be always displayed.

2 Turn the MENU knob to move b to IRIS WINDOW, and then press the MENU knob.

bchanges to z and z changes to ?.

3 Turn the MENU knob to select the desired automatic iris window, and then press the MENU knob.

The shaded parts below indicate the area where light detection occurs.

zchanges to b, ? changes to z, and the selection is set.

If you select VAR, the following items become effective and you can set the window of the desired size. Set each item to the desired size.

Item

Setting

IRIS VAR WIDTH

Width of the window

 

 

IRIS VAR HEIGHT

Height of the window

 

 

IRIS VAR H POS

Horizontal position of the window

 

 

IRIS VAR V POS

Vertical position of the window

 

 

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.

To adjust the iris sensitivity

When you use the VCL-917BY lens, you usually need not adjust the iris sensitivity because lenses are equipped with iris sensitivity adjustment function.

In auto iris mode, if hunting or response delay happens, adjust the iris sensitivity using the iris sensitivity trimmer.

Iris sensitivity trimmer (S or IRIS GAIN is indicated.)

IRIS

GAIN

56 Recording