Aperture-Priority Ae Mode - Panasonic LUMIX DC-S5M2 Operating Instructions And Owner's Manual

Metering / Exposure / ISO Sensitivity – Aperture-Priority AE Mode

Aperture-Priority AE Mode

In [A] mode (Aperture-Priority AE mode), you can set the aperture value
before recording.
The shutter speed will be automatically set by the camera.
Smaller aperture values
It becomes easier to defocus the background.
Larger aperture values
It becomes easier to bring everything into focus including the background.
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