Samsung Galaxy Camera 2 User Manual (en)

Camera: Shooting modes
Aperture priority mode
In this mode, the camera automatically calculates shutter speed according to the aperture 
value you choose. You can adjust the depth of field (DOF) by changing the aperture value. 
This mode is useful for taking portraits and landscape shots.
→ Expert → A, and set the desired shooting options.
Large depth of field
Small depth of field
In low-light settings, you may need to increase the ISO sensitivity to prevent blurry