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AT31F61F Online Temperature Measurement Thermal Camera User Manual
9
8. Lens Parameters
Table 8.1 AT31F Lens Parameters
Resolution
Focal Length
FOV（H×V）
IFOV
384×288
4mm
90.3°×68.7°
4.250mrad
384×288
6.2mm
61.5°×45.7°
2.742mrad
384×288
9.7mm
37.9°×28.7°
1.753mrad
384×288
13mm
28.2°×21.3°
1.308mrad
384×288
19mm
19.5°×14.7°
0.895mrad
384×288
25mm
14.9°×11.2°
0.680mrad
384×288
35mm
10.6°×8°
0.486mrad
384×288
50mm
7.4°×5.6°
0.340mrad
Table 8.2 AT61F Lens Parameters
Resolution
Focal Length
FOV（H×V）
IFOV
640×512
4.1mm
89.8°×75.7°
2.92mrad
640×512
5.8mm
70°×57°
2.06mrad
640×512
9.1mm
48°×38°
1.31mrad
640×512
13mm
33.5°×26.9°
0.92mrad
640×512
19mm
22.9°×18.4°
0.63mrad
640×512
25mm
17.4°×14°
0.48mrad
640×512
35mm
12.5°×10°
0.34mrad
640×512
55mm
8°×6.4°
0.21mrad