Operational tests at focal distance 1,5 m

Operational tests for focal distance 1,5 m were provided at different indoor conditions. In some experiments "hot" distributed load with temperature of radiation as 326 K (53 C) was utilized.

Some comments to the images are presented below. 

Image of a men with thin metal stick 15 mm in diameter placed at the area of the chest. Measurements at the bunker with air temperature 19 C. Mode of several frames integration for better radiometric sensitivity was utilized.

Image of a men at hot background as a shadow play. Measurements at the bunker with air temperature 19 C. Mode of several frames integration for better radiometric sensitivity was utilized.

Image of a men with hot plastic kettle and a cup. Measurements at the bunker with air temperature 19 C. Mode of several frames integration for better radiometric sensitivity was utilized.

Sergiy Shylo, 2019