108 CK65 Mobile Computer User Guide
EX20 Near/Far Imager Reading Distances
The depth of field measurements were taken using these parameters:
• Distances are measured from the front of the engine.
• +23 °C (+73 °F), 0 lux
• Photographic quality codes
Note: Time to Read and Depth of Field are impacted if the barcode symbol is at the edge of
the image.
EX20 Near/Far Imager Engine Field of View/Resolution
Note: DPI can be calculated based on the following formula:
Horizontal DPI = 832 pixels/width of horizontal field of view (inches)
Vertical DPI = 640 pixels/width of vertical field of view (inches)
Symbology Near Distance Far Distance
3 mil Code 39 mm 120 740
in. 4.7 29.1
4 mil Code 39 mm 120 1010
in. 4.7 39.8
10 mil Code 39 mm 100 2200
in. 3.9 86.6
13 mil EAN-UPC mm 160 2190
in. 6.3 86.2
20 mil Code 39 mm 200 4160
in. 7.9 163.8
40 mil Code 39 mm 390 5990
in. 15.3 235.8
55 mil Code 39 mm 530 6960
in. 20.9 274
Focus
Horizontal Field Angle (degrees) 14.0°
Vertical Field Angle (degrees) 8.7°