ʻO ka lens Longwave Infrared (LWIR) maʻamau ʻaʻole i hoʻomaʻalili ʻia a no laila, ʻoi aku ka liʻiliʻi o ka ʻike. Hiki iā ia ke ʻike ma o ka lepo a i ʻole ka uahi, ka mea e lilo ai lākou i mea waiwai nui i kekahi mau wahi a me nā noi. ʻO ke kahua o ka ʻike o kahi lens e hilinaʻi nui ʻia ma ka lōʻihi o ke kikowaena a me ka nui o ka mea ʻike.
Ua kālele ʻia ka nalu i ka hāʻawi ʻana i nā huahana optical kiʻekiʻe no 20 mau makahiki