Depth of Field and Symbol Specification (See Figure 7)
| Code Type | Minimum Small | Code Density | Depth of Field | 
| 
 | Element | 
 | 
 | 
| 
 | Mil. (1/1000") | 
 | 
 | 
| UPC/EAN | 10.4 | 80% | 0" - 5" | 
| UPC/EAN | 13.0 | 100% | 0" - 6.5" | 
| Code 39 | 7.5 | High | 0" - 3" | 
| Code 39 | 12.0 | Medium | 0" - 6" | 
| Code 39 | 21.0 | Low | 0" - 8" | 
| I 2 of 5 | 7.5 | High | 0" - 3" | 
| I 2 of 5 | 12.0 | Medium | 0" - 6" | 
| I 2 of 5 | 21.0 | Low | 0" - 8" | 
| Codabar | 6.5 | High | 0" - 3" | 
| Codabar | 9.8 | Medium | 0" - 5" | 
| Codabar | 13.0 | Low | 0" - 6.5" | 
| Code 93 | 10.4 | 80% | 0" - 5" | 
| Code 93 | 13.0 | 100% | 0" - 6.5" | 
| Code 128 | 10.4 | 80% | 0" - 5" | 
| Code 128 | 13.0 | 100% | 0" - 6.5" | 
23