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P-TTL AUTO FLASH (WITH *ist, MZ-S, MZ-L/MZ-6/ZX-L)
35
mm
A.Zoom
P-TTL
mm
0.7 1 1.5 2
3
4
6
8
12 16 22m
2.3
5
10
20
40
70ft
4
5
2
3
22
A pre-flash is fired before the main flash so that the
multi-segment metering sensor can measure the
subject's distance, brightness, backlit condition, etc.
The data obtained is incorporated to set the output
of the main flash. This mode obtains more accurate
results than with the conventional TTL mode.
I Procedure
1
Turn on the camera.
Turn on the flash unit.
2
3
Set the sync mode switch to the leading-
shutter-curtain sync [
].
• After turning the power [ON], the setting will
be [P-TTL] and [A.Zoom].
4
With an autofocus lens FA J, FA and F,
[A.Zoom] will be displayed on the LCD panel.
With a manual zoom lens, set the focal length
manually at [M. Zoom].
5
Check the effective flash range and that the
flash is ready. Then take the picture.
6
When a correct flash exposure is obtained, it
will be indicated by the flash confirmation
indicator. (In the camera's viewfinder, the [
symbol will blink several times, and [P-TTL] on
the LCD panel will also blink for 2 sec.)
7
If the flash confirmation indicator does not
blink, it means the flash was insufficient. Move
closer to the subject and take the picture again.
8
If you are too close to the subject, the correct
flash exposure will not be obtained even if the
flash confirmation indicator blinks. Be sure to
check the effective flash range on the LCD
panel.
• If necessary, an exposure compensation
amount can be set between +1.0 to -3.0 stops
in 0.5-stop increments.
• Cameras other than *ist, MZ-S, MZ-L/MZ-6/ZX-L
will display P-TTL but are not compatible with
P-TTL. Please use the auto flash mode. (Refer
to page 28)
Display of Flash Effective Range
The shooting distance parameters will be displayed
on the LCD panel. Make sure that you are within the
flash effective range before taking pictures.
]
• The effective flash range is displayed when all
autofocus
cameras
(except
SF
cameras) attached with an FA J, FA, F or A lens
and the Pentax 645N and 645NII. If the
maximum range exceeds 22 meters (70 ft), [
will blink. If the flash effective range is 0.7m or
less, [
] will blink.
• The flash effective range varies depending on
a ISO film speed, lens aperture in use, and/or
the zooming position ( flash coverage angle ).
When using a zoom lens, keep in mind the
maximum aperture of the zoom lens changes
when the lens zooms in and out.
35
mm
A.Zoom
TTL
mm
0.7 1 1.5 2
3
4
6
8
12 16 22m
2.3
5
10
20
40
70ft
series
]
23
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