Additional Data - FLIR Exx series User Manual

21 – Technical data
21.1

Additional data

Field of view and
T638855;a1
distance, 18
mm/25° lens
Figure 21.1 Relationship between field of view and distance. 1: Distance to target;
2: VFOV = vertical field of view; 3: HFOV = horizontal field of view, 4: IFOV = instan-
taneous field of view (size of one detector element).
This table gives the field of view at certain distances to targets. D = distance to target.
T638825;a1
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Publ. No. T559597 Rev. a500 – ENGLISH (EN) – December 10, 2010