Cognex DataMan 280 - Field of View and Reading Distance; DataMan 280 EC Readers with 6.2 mm Lens

Field of View and Reading Distance
This section provides the Field of View (FoV) values for 6.2 mm and 16 mm lenses.
DataMan 280 EC Readers with 6.2 mm Lens
6.2 mm lenses can be focused to 105 mm (short range) and to 190 mm (long
range).
Short Range (Focused to 105 mm)
The following tables show the Field of View (FoV) widths of the 6.2 mm lens
focused to 105 mm at various distances.
Working distance in mm Horizontal values in mm
Vertical values in mm
Z
1
= 40 X
1
= 38 Y
1
= 29
Z
2
= 65 X
2
= 58 Y
2
= 44
Z
3
= 105 X
3
= 90 Y
3
= 68
Distances in mm 2D min. code in mil 1D min. code in mil
40 4 2
65 5 3
105 10 5
Long Range (Focused to 190 mm)
The following table shows the Field of View (FoV) widths of the 6.2 mm lens
focused to 190 mm at various distances.
25