Shooting for Settings and Adjustments 3 Chapter
Opening the lens iris
Iris opened by 1 stop (two segments)
Iris opened by 0.5 stop (one segment)
Stopping down the lens iris
Iris stopped down by 1 stop (two segments)
Iris stopped down by 0.5 stop (one segment)
When the
The IRIS control knob of the
To set the automatic iris window
1 Follow the procedure of steps 1 and 2 described in the previous item to display the AUTO IRIS page.
2 Turn the MENU knob to move b to
IRIS WINDOW IND, then press the MENU knob.
bon the left of IRIS WINDOW IND. changes to z and z on the left of the setting changes to ?.
3 Turn the MENU knob until “ON” appears, then press the MENU knob.
z changes to b and ? changes to z 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 b to
IRIS WINDOW, then press the MENU knob.
bchanges to z and z changes to ?.
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
zchanges to b and ? changes to z.
If you select “VARIABLE”, 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 | The width of the |
| window |
|
|
IRIS VAR HEIGHT | The height of the |
| window |
|
|
IRIS VAR H POS. | The position of the |
| window in the |
| horizontal direction |
|
|
IRIS VAR V POS. | The position of the |
| window in the vertical |
| direction. |
|
|
6 Set the MENU ON/OFF switch to OFF.
The menu disappears from the 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”.
64Changing the Reference Value for Automatic Iris Adjustment