Olympus OM-D E-M1 Mark III Mirrorless Camera - Manual (Page 77)

77 EN
Shooting
2
Choosing how the camera measures brightness (Metering)
You can choose how the camera meters subject brightness.
1 Press the AF
m button.
2 Rotate the front dial to select an option.
3 Press the shutter button halfway to exit to the
shooting display.
Metering
P
100 %
PreMF
p B C D E
p
S-AF C-AF C-AF+TR MF
S-AF
F AF
Single AF
ESP
p Digital ESP metering
Suited to most scenes, including back-lit subjects. The
camera meters 324 areas of the frame and calculates optimal
exposure taking into consideration the nature of the scene.
B
Center weighted
averaging metering
Suited to compositions that place the main
subject at the center of the frame. The camera
sets exposure based on the average light level
for the entire frame while assigning the greatest
weight to the area in the center.
C Spot metering
Use a speci fi c area of the subject meter
exposure. The camera meters a small portion
(approximately 2%) of the frame.
D
Spot metering
(highlight) Increases spot metering exposure. Ensures bright subjects
appear bright.
E
Spot metering
(shadow) Lowers spot metering exposure. Ensures dark subjects
appear dark.
• The spot metering position can be set at the selected AF target. g G Custom Menu
V > [ N Spot Metering] (P. 193)
Locking the exposure (AE Lock)
You can lock the exposure by pressing the AEL/AFL button. Use this when you want
to adjust the focus and exposure separately or when you want to shoot several images
at the same exposure.
AE lock is available only when [mode1] or [mode2] is selected for [
K AEL/AFL]
(P. 201) during still photography (note, however, that when [ F AF] or [ F AF b ] is
selected for AF mode, AE lock is available only in [mode1]).
• If the AEL/AFL button has been assigned a different role, you will need to assign [AEL/
AFL] (P. 117) to a control using [Button Function] (P. 116).
• If you press the AEL/AFL button once, the exposure is locked and u is displayed.
g “Setting Focus and Exposure with the AEL/AFL Button ( K AEL/AFL)” (P. 201)
• Press the AEL/AFL button once again to release the AE Lock.
• The lock will be released if you operate the mode dial, MENU button, or Q button.