THE 2-MINUTE RULE FOR UNCOOLED LONG-WAVE INFRARED LENSES

I utilized a Sony FE 12-24mm file/four on an a7 II physique converted to 665nm infrared. This is one of my favourite lenses for huge angle with infrared for the reason that if performs so perfectly and handles an ultra big selection. You will get hot places with apertures smaller sized than f/8 but with extremely huge lenses such as this you wouldn