Operation Manual

36
Shooting
Applicable to: Manual shooting mode M
The aperture value (F-number) of the lens can be set as
follows.
1 Set to the Manual shooting mode.
2 Set to the aperture adjustment mode.
●
Press the [IRIS A/M] button to set to the Manual Iris mode.
● The current F-number is displayed.
3 Set the F-number.
●
Turn the iris dial.
● The selected F-number is displayed.
 Setting values
F1.8 - F8.0 (14 steps)
The open F-number of the aperture varies according to the zoom
position.
Wide [W] end : F1.8
Tele [T] end : F2.8
 1/3-step display when zooming to the tele [T] end
When the aperture is set to F1.8 at the [W] end of the zoom range,
the aperture value may fall below the open F-number when zoomed
to the [T] end. In this case, the aperture value is not fixed, but
changes according to the open F-number of the respective zoom
positions. The F-number nearest to the open F-number is displayed
in 1/3 steps. (F1.8, F2.0, F2.2, F2.5, F2.8)
 Setting aperture to AUTO
1 While in the Manual Iris mode, press the [IRIS A/M]
button to set to the Auto Iris mode.
Applicable to: Manual shooting mode M
● Brightness of a specific area can be corrected
automatically to the optimal state by selecting one of the
three photometry areas indicated by the frames on the
screen or the area of the entire screen.
● Set using [AE Area] in the [Camera Function] menu.
●
When the entire screen is selected in [AE Area], the brightness
of the entire screen is automatically adjusted to an optimal level.
1 Set to the Manual shooting mode.
2 Display the photometry area setting screen. ( A Page 65)
● The [AE Area] screen in the [Camera Function] menu opens.
● Photometry area frames are displayed at the center of the
screen.
• Select a photometry area from the left, center, and right
frames on the screen or the entire screen.
3 Select a photometry area.
●
Select a photometry area by pushing the set lever up/down
or to the left/right.
● When the entire screen is selected, push the lever to the left/
right to select the left/right photometry area frame, or up/
down to select the center photometry area frame.
● When any of the left/center/right photometry area frame is
selected, push up or down to select the entire screen.
4 Confirm the photometry area.
●
Press the center of the set lever.
● The confirmed photometry area is displayed, and the
photometry area icon appears in white. (except when the
entire screen is selected)
● Brightness within the frame is always automatically
corrected to an optimal level.
 Locking the brightness of the photometry area
1 Press the center of the set lever for 1 second or longer while
setting the photometry area or after confirming the setting.
● The photometry area frame disappears, and a lock icon ( L )
appears.
● The automatically corrected brightness within the
photometry area is locked. (AE Lock)
Adjusting the Aperture
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.
IRIS A/M
USER1
AB
FOCUS
ZOOM
ON
ND
FILTER
OFF
USER2
AF/MF FULL AUTO
GAIN
L-
M-
H-
B-
A-
PRST-
WHT.BAL
IRIS A/M
[IRIS A/M]
Iris Dial
Setting the Photometry Area
Photometry Area
Frame (Green)
GY-HM150U.book Page 36 Monday, September 5, 2011 1:48 AM