How Far Can You Measure? Considering Spot Size Ratio is Key... If you recently bought a thermal camera, you might be wondering how far you can measure with it. Or maybe you’re interested in purchasing one, but you aren’t sure which one will both accurately measure your target and fit within your budget. The answer to “how far can you measure?” depends on factors such as resolution, Instantaneous Field of View (IFOV), lenses, the size of the object, and more. You can compare it to a visual exam at the doctor’s office. When you look at the eye chart from...
A thermal imaging camera records the intensity of radiation in the infrared part of
the electromagnetic spectrum and converts it to a visible image.
What is infrared?
infrared, are invisible to the human eye.