Lenzi ya Longwave Infrared (LWIR) nthawi zambiri imagwiritsidwa ntchito popanga makina ojambulira kutentha pogwiritsa ntchito chowunikira cha infrared. Imagwira ntchito pa 8-12um spectrum, ndipo nthawi zambiri imayendera chowunikira chosazizira. Imalola wogwiritsa ntchito kuwona zinthu kuchokera ku kuwala kwawo kwa infrared, popanda kuwala kwina, zomwe zimapangitsa kuti zikhale zofunika kwambiri m'malo ena ndi ntchito zina.
Ngakhale kuti makina a infrared nthawi zambiri amagwiritsidwa ntchito m'malo ovuta komanso ovuta kuwafikira. Kufunika kokhala ndi chidwi pa kutentha kosiyanasiyana kwa chilengedwe ndikofunikira kuti makina agwire ntchito, akhale olimba, komanso apamwamba. Magalasi a infrared okhala ndi kapangidwe ka athermal angalepheretse magwiridwe antchito ake kusintha pogwiritsa ntchito kuwala, ntchito yamakina, komanso kusinthasintha kwa makina pa kutentha kwakukulu. Kapangidwe kake kamadzisintha kokha pakasintha kutentha.
Lenzi yathu ya LWIR athermal infrared yapangidwa mwapadera kuti ipereke chithunzi cha mawonekedwe pa kutentha kwakukulu. Kutalika kwa focal 3.85-110 mm, F#1.0-1.3, kumakwanira 17um ndi 12um infrared detector. Angagwiritsidwe ntchito pazinthu zambiri zojambulira kutentha monga kuyang'anira, magalasi amoto ndi ma scope, ma thermograph, kusanthula kwa spectrum ndi zina zotero.
Kutalika kwa mafunde kwakhala kukuyang'ana kwambiri pakupereka zinthu zowunikira zolondola kwambiri kwa zaka 20.