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