10 - 2
Depth of Field Chart
Typical
Performance
Guaranteed
Performance
Symbology
Near
Distance Far Distance
Near
Distance Far Distance
5 mil Code 39
in. .7 4.2 .8 4.1
mm 17.8 106.7 20.3 104.1
13 mil UPC
in. .5 10 .7 7.2
mm 12.7 254 17.8 182.9
20 mil Code 39
in. 1 12 1 12
mm 25.4 304.8 25.4 304.8
6.7 mil PDF417
in. .5 4.5 .5 4.5
mm 12.7 114.3 12.7 114.3
10 mil Data
Matrix
in. .5 5.5 .5 5.5
mm 12.7 139.7 12.7 139.7
20 mil QR Code
in. .8 9.5 .8 9.5
mm 20.3 241.3 20.3 241.3
Resolution (1D Code 39) 3 mil (.076mm) 5 mil (.127mm)
Resolution (2D Data Matrix) 5 mil (.127mm) 5 mil (.127mm)