Olympus e-3 入門マニュアル

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Flash shooting
Manual flash
This allows the built-in flash to output a fixed amount of light. To shoot with manual flash, set 
the f-number on the lens based on the distance to the subject.
ISO sensitivity
Setting display
Ratio of amount of light
GN: Guide number
(Equivalent to ISO 100)
FULL (1/1)
13
1/4
6.5
1/16
3.3
1/64
1.6
ISO value
100
200
400
800
1600
3200
ISO sensitivity
1.0
1.4
2.0
2.8
4.0
5.6
Direct button
# + j
Super control panel
i
p: [FLASH MODE]
Viewfinder
Control panel
• For details on displaying the settings, refer to “Flash modes that can be set by 
shooting mode” (
gP. 131).
Calculate the f-number on the lens using the following formula.
Aperture (f-number) =
GN × ISO sensitivity
Distance to the subject (m)
# button
j
Flash mode
s0011_e_00_0_unified.book  Page 72  Wednesday, September 12, 2007  4:46 PM