Samsung EV-NXF1ZZB1QUS - Manual (Page 22)

21
Concepts in Photography
What controls out-of-focus effects?
DOF depends on aperture value
The wider the aperture is (namely the lower the aperture value), the lower
the DOF becomes. Under the condition where the focal length is equal, a
low aperture value leads to a photo with a low DOF.
27 mm F3.5 27 mm F11
DOF depends on focal length
The longer the focal length is, the lower the DOF gets.
9 mm angle
27 mm angle