Relationship Between Fields Of View And Distance - FLIR ThermaCAM P45 User Manual

16 – Technical specifications & dimensional drawings
16.12

Relationship between fields of view and distance

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Figure 16.8 Relationship between fields of view and distance. 1: Distance to target; 2: VFOV = vertical
field of view; 3: HFOV = horizontal field of view, 4: IFOV = instantaneous field of view (size of one detector
element).
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Figure 16.9 Horizontal, vertical and instantaneous fields of view for certain distances to targets. 124 mm
lens / camera type 218.
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Publ. No. 1557966 Rev. a155 – ENGLISH (EN) – February 6, 2006