NOT KNOWN DETAILS ABOUT UNCOOLED LWIR LENS

I used a Sony FE 12-24mm file/four on an a7 II human body converted to 665nm infrared. This is among my favourite lenses for wide angle with infrared mainly because if performs so effectively and covers an extremely wide selection. You may get warm spots with apertures scaled-down than file/8 but with extremely vast lenses similar to this you would