fast shutter speed
deep depth of field
shallow depth of field
f/5, 1/500
f/10, 1/125
f/13, 1/60
f/18, 1/15
f/22, 1/2
f 3.5, 1/250
f/4, 1/125
f/5.6, 1/60
f/11, 1/15
-3(f/22, 1/250)
-2(f/20, 1/250)
-1(f/18, 1/250)
0(f/16, 1/250)
+1(f/11, 1/250)
+2(f/8, 1/250)
+3(f/5.6, 1/250)
