RUMORED BUZZ ON UNCOOLED LWIR LENS

I applied a Sony FE 12-24mm f/4 on an a7 II body converted to 665nm infrared. This is one of my preferred lenses for broad angle with infrared simply because if performs so nicely and addresses an ultra wide range. You may get very hot places with apertures smaller sized than f/eight but with ultra large lenses like this you wouldn’t need to have