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Appendix D
Depth of Focus
Depth of Focus for 7.0” Standard Focus
Symbology
Near Depth of Focus (inches)
Far Depth of Focus (inches)
Maxicode
35-mil 2.0 13.0
Datamatrix 15-mil (ECC200)
3.7
6.5
PDF 10-mil
3.1
9.8
PDF 8-mil
3.3
8.0
PDF 6.6-mil
4.5
6.25
Code 39 15-mil
2.1
12.8
Code 39 10-mil
3.2
9.2
Code 39 8-mil
3.5
7.6
UPC 13-mil (100%)
2.5
12.5
Postnet 4.0
5.9
12-point OCR A
2.5
11.8
12-point OCR B
2.5
11.0
32 APPENDIX D: DEPTH OF FOCUS