Olympus E-3 Instruction Manual page 77

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.
Ratio of amount of light
FULL (1/1)
1/4
1/16
1/64
Calculate the f-number on the lens using the following formula.
Aperture (f-number) =
ISO sensitivity
ISO value
ISO sensitivity
Direct button
Super control panel
Setting display
Viewfinder
Flash mode
• For details on displaying the settings, refer to "Flash modes that can be set by shooting
mode" (gP. 139).
GN: Guide number (Equivalent to ISO 100)
GN x ISO sensitivity
Distance to the subject (m)
100 200
1.0 1.4
# + j
i p: [FLASH MODE]
13
6.5
3.3
1.6
400 800
2.0 2.8
# button
Control panel
1600 3200
4.0 5.6
j
6
77
EN