Olympus E-5 Instruction Manual page 75

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
Setting method
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. 142).
GN: Guide number
ISO 200 (Equivalent to ISO 100)
18 (13)
9 (6.5)
4.5 (3.3)
2.3 (1.6)
GN × ISO sensitivity
Distance to the subject (m)
100 200 400
1.0 1.4 2.0
# + j
i p: [FLASH MODE]
800 1600
2.8 4.0
# button
Control panel
5
3200 6400
5.6 8.0
j
75
EN