Olympus e-3 入門マニュアル

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3
Exposur
e
The camera sets the optimum shutter speed automatically for the aperture value you have 
selected. When you open the aperture (decrease the aperture value), the camera will focus 
within a shorter range (shallow depth of field) and produce a picture with a blurred 
background. When you close the aperture (increase the aperture value), the camera will 
focus within a longer range. Use this mode when you wish to add changes to the background 
representation. Before shooting, you can use the preview function to check how the 
background will look in your picture. 
g“Preview function” (P. 45)
• Turn the main dial (or sub dial) to set the aperture 
value.
To check the depth of field with the selected aperture value:
j See “Preview function” (gP. 45).
To change the exposure adjustment interval:
j This can be set in 1/3 EV, 1/2 EV or 1 EV increments. g“EV STEP” (P. 96)
Shutter speed is blinking:
j The optimum exposure cannot be obtained. For details, see “Exposure warning 
display” (
gP. 129).
Aperture priority shooting
Direct button
MODE + j[A]
Viewfinder
Control panel
 TIPS
When the aperture 
value (f-number) is 
decreased
When the aperture 
value (f-number) is 
increased
Open the aperture (f-number is decreased)
Close the aperture (f-number is increased)
Aperture value
s0011_e_00_0_unified.book  Page 41  Wednesday, September 12, 2007  4:46 PM