TOP GUIDELINES OF UNCOOLED LWIR LENSES

I applied a Sony FE 12-24mm f/four on an a7 II entire body converted to 665nm infrared. This is one of my preferred lenses for huge angle with infrared due to the fact if performs so well and addresses an extremely wide range. You can get warm places with apertures smaller than f/8 but with extremely huge lenses such as this you wouldn’t want tho