THE BEST SIDE OF UNCOOLED LONG-WAVE INFRARED LENSES

I applied a Sony FE twelve-24mm file/four on an a7 II body transformed to 665nm infrared. This is one of my beloved lenses for extensive angle with infrared mainly because if performs so perfectly and handles an ultra wide selection. You can get very hot spots with apertures scaled-down than f/8 but with ultra extensive lenses like this you wouldnâ