NOT KNOWN FACTUAL STATEMENTS ABOUT UNCOOLED LWIR LENS

I employed a Sony FE 12-24mm f/four on an a7 II human body converted to 665nm infrared. This is one of my preferred lenses for extensive angle with infrared due to the fact if performs so effectively and handles an ultra wide selection. You can get warm spots with apertures scaled-down than f/8 but with extremely extensive lenses such as this you w