Scan Area And Resolution; Depth Of Field; Figure 2: The Depth Of A Decoding Field Measured From The Edge Of The Scanner - Opticon OPL 7836 Specification Manual

7.3. Scan Area and Resolution

Depth of Field

7.3.1.
The depth of field is measured from the edge of the scanner. The scanning range
is within the circular arc centered on the scan origin.
X direction: Depth of field
Y direction: Laser scan widths within the depth of field

Figure 2: The depth of a decoding field measured from the edge of the scanner.

Symbology
Code 39
Code 39
Code 39
Code 39
Code 39
Conditions
Barcode Sample: OPTOELECTRONICS Test Sample
N/W ratio:
Angle:
Curvature:
Resolution Depth of field (mm)
1.0 mm 50–500
0.5 mm 30–300
0.25 mm 30–240
0.15 mm 30–130
0.127 mm 40–100
1:2.5
α = 0°, β = 15°, γ = 0°
R = ∞
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Specifications Manual
PCS
0.9
0.9
0.9
0.9
0.9
Opticon
OPL 7836