Ko te arotahi hihi-whero roa (LWIR) e whakamahia whānuitia ana hei hanga pūnaha whakaahua wera me te pūoko hihi-whero. Ka mahi i runga i te whānuitanga 8-12um, ā, ka uru ki te pūoko hihi-whero kāore i whakamataohia. Mā tēnei ka taea e te kaiwhakamahi te kite i ngā mea mai i ō rātou ake hihi-whero, me te kore he pūtake mārama tāpiri, e tino whai hua ai i roto i ētahi taiao me ngā tono.
Ahakoa he maha ngā wā e whakamahia ana ngā pūnaha pūwero-whero i roto i ngā āhuatanga taiao uaua, ā, he uaua ki te toro atu. Ko te hiahia kia mau tonu te arotahi ki runga i te whānuitanga o ngā pāmahana taiao he mea nui ki te mahi a te pūnaha, te pumau, me te kounga teitei. Mā te karāhe pūwero-whero me te hoahoa athermal ka ārai i tana mahi kia kore e rerekē mā te korenga oro, te mahi miihini, me te korenga oro miihini i roto i te whānuitanga pāmahana nui. Ka whakarerekē aunoa tōna whirihoranga i a ia anō i te wā e rerekē ana te pāmahana.
He mea hanga motuhake tā mātou arotahi hihi-whero athermal LWIR hei whakarato i te āhua whakaahua i roto i te awhe pāmahana nui. Ko te roa arotahi 3.85-110 mm, F#1.0-1.3, e pai ana mō te pūoko hihi-whero 17um me te 12um. Ka taea te whakamahi i roto i ngā tono whakaahua wera maha pēnei i te aroturuki, ngā mōhiti me ngā karu wera, ngā whakaahua wera, te tātari ira me ētahi atu.
E 20 tau te roangaru e arotahi ana ki te whakarato i ngā hua whatu tino tika.