Choosing Aperture (A Aperture-Priority Mode) - Olympus E-M1 Instruction Manual

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Choosing aperture (A aperture-priority mode)

In mode A, you choose the aperture and let the camera automatically adjust shutter
speed for optimal exposure. Rotate the mode dial to A.
Lever
• Larger apertures (lower F-numbers) decrease depth of
fi eld (the area in front of or behind the focus point that
appears to be in focus), softening background details.
Smaller apertures (higher F-numbers) increase depth
of fi eld.
Setting the aperture value
Reducing aperture value 
• The shutter speed display will blink if the camera is unable to achieve optimal
exposure.
Warning display
example (blinking)
30" F5.6
30"
F5.6
8000 F5.6
8000
F5.6
• The aperture value at the moment when its indication blinks varies with the lens type and
focal length of the lens.
• When using a fi xed [ISO] setting, change the setting. g [ISO] (P. 59)
Front dial
Rear dial
F2 F3.5 F5.6 F8.0 F16
Status
The subject is
underexposed.
The subject is
overexposed.
Position of the lever
Dial
1
Exposure
r
compensation
o
Aperture value
I S O
400
A
Aperture value
When shooting using live
 Increasing aperture value
Action
• Decrease the aperture value.
• Increase the aperture value.
• If the warning display does not disappear,
the metered range of the camera is
exceeded. A commercially available ND
fi lter (for adjusting the amount of light) is
required.
2
ISO
White balance
L
N
FullHD
F
01:02:03
01:02:03
0.0
0.0
250 F5.6
250
38
38
view
EN
5
39

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