Technical Data 21-
camera lens also allows a larger measuring distance with the same number of pixels of the detector, or the
precise temperature measurement of smaller structures and objects. The 3×3 pixel (2x2 pixels) geometry is
described as MFOV (measurement field of view) - one single pixel on the object surface is described as
IFOV (instantaneous field of view). The MFOV is comparable with the measuring spot definition with
infrared thermometers.
The following tables with examples showing what spot sizes and
pixel sizes will be reached in which distance. For individual
configuration there are different lenses available. Wide angle
lenses have a radial distortion due to their large opening angle;
the software PIX Connect has an algorithm which corrects this
distortion. As an alternative to the tables below, the optics
calculator can also be used on the optris website or via the
optris calculator app. The app can be downloaded for free from
the Google Play Store (see QR code).
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