Portrait image settings

Settings

Aperture value ::f/5.6
Shutter speed value ::1/100
Lens used :: 18-55mm kit lens
ISO value::100
No flash used
Zoom length:: 55mm
Type of camera:: Nikon d3500 DSLR camera

Description
If we want to blur any image background we need maximum zoom length. The higher the zoom length the more blur background we get. If we use lower ISO value then we don't have any noise in image. Try to keep aperture value to maximum as possible to get blur