Panasonic Lumix DMC-GH4 User Manual

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6. Recording Suited for the Subject and Scene
Fixing the Focus and the Exposure (AF/AE Lock)
This is useful when you want to take a picture of a subject outside the AF area or the
contrast is too strong and you cannot achieve appropriate exposure.
1
Align the screen with the subject.
2
Press and hold [AF/AE LOCK] to fix the focus
or exposure.
• If you release [AF/AE LOCK], AF/AE Lock is canceled.
• Only the exposure is locked in the default setting.
3
While pressing [AF/AE LOCK], move the
camera as you compose the picture and then
press shutter button fully.
A AE Lock indication
• When [AE LOCK] is set, after pressing the shutter button halfway to focus, press the
shutter button fully.
• AF Lock only is effective when taking pictures in Manual Exposure Mode.
• AE Lock only is effective when taking pictures with Manual Focus.
• Only the AF lock is active during motion picture recording. Once you cancel the AF lock during
the recording, the AF lock cannot be reactivated.
• The subject can be focused again by pressing the shutter button halfway even when AE is
locked.
• Program Shift can be set even when AE is locked.
Applicable modes:
AF/AE
LOCK
2 0
0
60 2.8
AEL
AELAEL
AEL
0
0
A

Panasonic Lumix DMC-GH4 Specifications

General

Sensor Type	Live MOS
Effective Pixels	16.05 Megapixels
Dimensions	132.9 x 93.4 x 83.9 mm
Lens Mount	Micro Four Thirds
Built-in Flash	No
External Flash	Hot shoe
Sensor Size	17.3 x 13.0 mm
ISO Sensitivity	ISO 200-25600
Autofocus System	Contrast Detect AF
Shutter Speed	1/8000 to 60 sec
Continuous Shooting Speed	12 fps
Video Recording	4K (4096 x 2160) at 24 fps, Full HD (1920 x 1080) at 60/30/24 fps
Viewfinder	Electronic (OLED) with 2, 359k dots
Screen	3.0-inch Fully Articulated Touchscreen, 1, 036, 000 dots
Battery Life	Approx. 500 shots (CIPA standard)
Weight	560 g
File Formats	JPEG, RAW, MP4
Connectivity	Wi-Fi, NFC, HDMI, USB 2.0
Storage Media	SD/SDHC/SDXC card