12 - 8
Depth of Field Charts
Xenon B&W Scanner Typical Performance
Focus
High Density
(HD)
Standard
Range (SR)
Extended
Range (ER)
Symbology
Near
Distance
Far
Distance
Near
Distance
Far
Distance
Near
Distance
Far
Distance
5 mil Code 39
in. .2 3.8 1.6 5.3 3.7 8
mm 5.1 96.5 40.6 134.6 94 203.2
13 mil UPC
in. .5 6.5 .3 16.7 1 20.7
mm 12.7 165.1 7.6 424.2 25.4 525.8
20 mil Code 39
in. .6 8.6 .4 24.6 1 23.5
mm 15.2 218.4 10.2 624.8 25.4 596.9
6.7 mil PDF417
in. .4 4 .7 6 2.8 9.2
mm 10.2 101.6 17.8 152.4 71.1 233.7
10 mil Data
Matrix
in. .3 4.2 .8 7 2.5 11.3
mm 7.6 106.7 20.3 177.8 63.5 287
20 mil QR Code
in. .7 7 .5 14.8 .7 19
mm 17.8 177.8 12.7 375.9 17.8 482.6
Resolution (1D Code 39) 3 mil (.076mm) 5 mil (.127mm) 5 mil (.127mm)
Resolution (2D Data Matrix) 5 mil (.127mm) 6.7 mil (.170mm) 7.5 mil (.191mm)