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Recording menu
The output of the flash can be specified when using manual flash
control with power ratios.
Set the flash-control option in section 2 of the recording menu to
manual. The power ratio, also in section 2, can then be selected.
See page 64 for menu operation.
17 / 56 24 / 79 34 / 112
48 / 157
7777
The chart lists approximate guide numbers for manual flash calculations. The following equations
are useful in determining the guide number, aperture (ƒ-number), or flash-to-subject distance
required for exposures.
Guide no. (for distance in meters / feet)
Power ratio
1/1 (Full)
1/4
1/8
200 400 800
Camera sensitivity (ISO)
8.5 / 29
6 / 20
12 / 39 17 / 56
17 / 56
12 / 39
24 / 79
8.5 / 29
1/2
12 / 39 17 / 56 24 / 79
34 / 112
1/16
4.2 / 14
12 / 39
8.5 / 296 / 20
12 / 39
100
6 / 20
4.2 / 14
8.5 / 29
3 / 10
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MANUAL FLASH AND POWER RATIO
When the camera flash is raised, the power ratio is displayed on
the monitor.
Power ratio
Guide number = ƒ-number X distance
Distance = guide number / ƒ-number
ƒ-number = guide number / distance
68 / 223
3200
24 / 79
34 / 112
48 / 157
17 / 56
1600
INSTANT PLAYBACK
After each image is captured, it is displayed as specified by the menu. Press the shutter-release
button partway down to end the instant playback.
During the instant playback period, the captured images can be deleted using the delete button (p.
36). When a continuous-advance bracketed series is captured, the entire series is erased. Single
non-RAW images can be enlarged with the magnification button. The image is centered on the AF
area used, see page 38 for information on enlarged playback.
After an image is captured, it can be displayed on the monitors for
two, five, or ten seconds before being saved. When using
continuous-advance bracketing, an index display is used. Instant
playback is activated and the length of the playback period is set
with the instant-playback option in section 3 of the recording menu
(p. 64).
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The setup option below instant playback specifies the display format:
Image only Image & information Image & histogram
This function reduces the affect of dark noise with exposures of one second or longer. Processing is
applied to each image after it is captured. The monitor remains blank during processing for a
maximum of 30 seconds. This can be turned off in section 3 of the recording menu (p. 64). Noise
reduction uses dark-frame subtraction. Noise reduction is not applied to a series of continuous-
advance images
NOISE REDUCTION