Headshot

After

Before

Aperture Priority Exercise

Daylight
P: f/5.6, 1/80
AV: f/4.5, 1/160
AV: f/18, 1/50

Outdoors with object close, horizon in background

P: f/8, 1/125
AV: f/4, 1/400

AV:f/22, 1/40

Indoor

 P: f/4.5, 1/50
AV: f/5, 1/50
AV: f/32, 1/1