17
Scan Engine Field of View and Depth of Field

Field of View

Distance from Engine Face Width of Field of View


50 mm (2") 57 mm (2.2")
254 mm (10") 264 mm (10.4")
9See page for detailed information on the engine's exit beam specifications.

Figure 13. Typical Field of View
Based on a .33 mm (13.0 mil) bar code and a horizontal exit laser beam.

Depth of Field vs. Minimum Bar Code Element

Bar Code

Element Width

Depth of Field*

(In the Field of View)
Start
(From Engine Face)
End
(From Engine Face)
Total
1D
.13 mm 5.2 mil 70 mm (2.75") 95 mm (3.75") 25 mm (1.00")
.19 mm 7.5 mil 57 mm (2.25") 171 mm (6.75") 114 mm (4.50")
.26 mm 10.4 mil 50 mm (2.00") 210 mm (8.25") 160 mm (6.25")
.33 mm 13.0 mil 50 mm (2.00") 254 mm (10.00") 204 mm (8.00")
.49 mm 19.5 mil 75 mm (2.95") 300 mm (11.81") 225 mm (8.86")
* For non-d ecode IS4813 and IS4815 engines, depth of field data is for reference o nly. Actual values may vary
depending on environmental conditions, host hardware, and decoding softw are.
Depth of field data was measured at 25°C under typical indoor lighting. Performance may vary depending on
testing conditions.
Specifications are subject to change without notice.