Reading Features; Optical Accessory Selection - Datalogic Matrix 400 Reference Manual

READING FEATURES

7 READING FEATURES

7.1 OPTICAL ACCESSORY SELECTION

Referring to Figure 112 and the formula below, use the data in the following table to calculate
the FOV for your application.
Model
LNS-1109 9 mm
LNS-1112 12.5 mm
Matrix 400
LNS-1116 16 mm
400-0x0
LNS-1125 25 mm
(SXGA)
LNS-1135 35 mm
LNS-1150 50 mm
LNS-1006 6 mm
LNS-1109 9 mm
LNS-1112 12.5 mm
Matrix 400
600-0x0
LNS-1116 16 mm
(UXGA)
LNS-1125 25 mm
LNS-1135 35 mm
LNS-1150 50 mm
The viewing angle has a tolerance of  1° depending on the focus distance.
where:
FOV = horizontal, vertical or diagonal FOV
x

= horizontal, vertical or diagonal viewing angles.
x
d = focus distance
Viewing Angle
Lens
Horizontal
48.5°
37°
28.5°
18.5°
13°
9°
59.5°
40.5°
31°
24°
15°
11°
7.5°
FOV = 2 (d + 35 mm) tan (
x
35 mm

Figure 112 – Reading Distance References
Viewing Angle Viewing Angle
Vertical Diagonal
39.5° 60°
30° 46.5°
23° 36°
15° 23.5°
10,5° 16.5°
7° 11.5°
46.5° 71°
31° 49.5°
23.5° 38°
18° 30°
11.5° 19°
8.5° 13.5°
5.5° 9.5°
/2)
x
d
FOV
plane
7
Min Focus Distance
mm
85
85
85
135
235
500
85
85
85
85
135
235
500
93